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  • TOP223YN图
  • 集好芯城

     该会员已使用本站13年以上
  • TOP223YN 现货库存
  • 数量26833 
  • 厂家Raspberry Pi 
  • 封装 
  • 批号22+ 
  • 原装原厂现货
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    QQ:3008092965QQ:3008092965 复制
  • 0755-83239307 QQ:3008092965QQ:3008092965
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  • 深圳市科庆电子有限公司

     该会员已使用本站16年以上
  • TOP223YN 现货库存
  • 数量78900 
  • 厂家POWER 
  • 封装TO220 
  • 批号23+ 
  • 现货只售原厂原装可含13%税
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    QQ:2850188256QQ:2850188256 复制
  • 0755 QQ:2850188252QQ:2850188256
  • TOP223YN图
  • 深圳市浩兴林电子有限公司

     该会员已使用本站16年以上
  • TOP223YN 现货库存
  • 数量30000 
  • 厂家POWER 
  • 封装TO-220 
  • 批号2418+ 
  • 特价出售,自己库存现货,全新原装
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    QQ:351622092QQ:351622092 复制
  • 0755-82532799 QQ:382716594QQ:351622092
  • TOP223YN图
  • 北京耐芯威科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量4000 
  • 厂家POWER 
  • 封装TO-220 
  • 批号21+ 
  • 原装正品,公司现货
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    QQ:1344056792QQ:1344056792 复制
  • 010-62104931 QQ:2880824479QQ:1344056792
  • TOP223YN图
  • 深圳市炎凯科技有限公司

     该会员已使用本站7年以上
  • TOP223YN 现货库存
  • 数量9116 
  • 厂家POWER 
  • 封装TO220 
  • 批号24+ 
  • 只做原装,假一赔十,支持实单
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    QQ:2850471056QQ:2850471056 复制
  • 0755-89587732 QQ:354696650QQ:2850471056
  • TOP223YN图
  • 深圳市能元时代电子有限公司

     该会员已使用本站10年以上
  • TOP223YN 现货库存
  • 数量26800 
  • 厂家POWER 
  • 封装TO-220 
  • 批号24+ 
  • POWER主营只做原装进口现货假一赔十!公司原装现货!
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    QQ:2885658492QQ:2885658492 复制
  • 0755-84502810 QQ:2885637848QQ:2885658492
  • TOP223YN图
  • 深圳西迈尔科技有限公司

     该会员已使用本站9年以上
  • TOP223YN 现货库存
  • 数量15050 
  • 厂家POWER 
  • 封装TO-220 
  • 批号12+ 
  • 热卖
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    QQ:2706801556QQ:2706801556 复制
  • 13316801556 QQ:13316801556QQ:2706801556
  • TOP223YN图
  • 深圳市恒达亿科技有限公司

     该会员已使用本站16年以上
  • TOP223YN 现货库存
  • 数量10137 
  • 厂家POWER 
  • 封装TO-220 
  • 批号24+ 
  • 只做原装正品现货销售
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    QQ:1245773710QQ:1245773710 复制
  • 0755-82723761 QQ:867789136QQ:1245773710
  • TOP223YN图
  • 深圳市卓越微芯电子有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量8500 
  • 厂家原厂 
  • 封装原厂原封装 
  • 批号20+ 
  • 百分百原装正品 真实公司现货库存 本公司只做原装 可开13%增值税发票,支持样品,欢迎来电咨询!
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    QQ:1205045963QQ:1205045963 复制
  • 0755-82343089 QQ:1437347957QQ:1205045963
  • TOP223YN图
  • 深圳市欧立现代科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量6120 
  • 厂家POWER 
  • 封装TO-220 
  • 批号24+ 
  • 全新原装现货,欢迎询购!
  • QQ:1950791264QQ:1950791264 复制
    QQ:2216987084QQ:2216987084 复制
  • 0755-83222787 QQ:1950791264QQ:2216987084
  • TOP223YN图
  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • TOP223YN 现货库存
  • 数量3831 
  • 厂家POWER 
  • 封装TO-220 
  • 批号新年份 
  • 新到现货、一手货源、当天发货、bom配单
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  • 0755-84507451 QQ:1435424310
  • TOP223YN图
  • 上海磐岳电子有限公司

     该会员已使用本站11年以上
  • TOP223YN 现货库存
  • 数量9000 
  • 厂家POWER 
  • 封装 
  • 批号2024+ 
  • 全新原装现货,全网最低价
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    QQ:1325513291QQ:1325513291 复制
  • 021-60341766 QQ:3003653665QQ:1325513291
  • TOP223YN图
  • 深圳市正纳电子有限公司

     该会员已使用本站15年以上
  • TOP223YN 现货库存
  • 数量25000 
  • 厂家专营POWER 
  • 封装TO-220 
  • 批号21+ 
  • ■正纳电子专业元器件代理
  • QQ:2881664480QQ:2881664480 复制
  • 0755-83532193 QQ:2881664480
  • TOP223YN图
  • 深圳市拓亿芯电子有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量21000 
  • 厂家POWER 
  • 封装TO-220 
  • 批号23+ 
  • 代理原装现货,价格优势
  • QQ:1774550803QQ:1774550803 复制
    QQ:2924695115QQ:2924695115 复制
  • 0755-82777855 QQ:1774550803QQ:2924695115
  • TOP223YN图
  • 上海意淼电子科技有限公司

     该会员已使用本站14年以上
  • TOP223YN 现货库存
  • 数量20000 
  • 厂家POWER 
  • 封装TO220 
  • 批号23+ 
  • 原装现货热卖!请联系吴先生 13681678667
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  • 15618836863 QQ:617677003
  • TOP223YN图
  • 深圳市拓亿芯电子有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量10500 
  • 厂家POWER 
  • 封装TO-220 
  • 批号23+ 
  • 只做原装现货假一罚十
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    QQ:2924695115QQ:2924695115 复制
  • 0755-82702619 QQ:2103443489QQ:2924695115
  • TOP223YN图
  • 深圳市美思瑞电子科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 现货库存
  • 数量87255 
  • 厂家POWER 
  • 封装TO-220 
  • 批号22+ 
  • 市场最低价!原厂原装假一罚十
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  • 0755-83952260 QQ:2885659458QQ:2885657384
  • TOP223YN图
  • 深圳市宗天技术开发有限公司

     该会员已使用本站10年以上
  • TOP223YN 现货库存
  • 数量8000 
  • 厂家Power Integrations 
  • 封装N/A 
  • 批号22+ 
  • 宗天技术 原装现货/假一赔十
  • QQ:444961496QQ:444961496 复制
    QQ:2824256784QQ:2824256784 复制
  • 0755-88601327 QQ:444961496QQ:2824256784
  • TOP223YN图
  • 深圳市捷兴胜微电子科技有限公司

     该会员已使用本站13年以上
  • TOP223YN 现货库存
  • 数量12000 
  • 厂家Power?Integrations 
  • 封装2138+ 
  • 批号2138+ 
  • 只做原装,只有原装
  • QQ:838417624QQ:838417624 复制
    QQ:929605236QQ:929605236 复制
  • 0755-23997656(现货库存配套一站采购及BOM优化) QQ:838417624QQ:929605236
  • TOP223YN图
  • 深圳市能元时代电子有限公司

     该会员已使用本站10年以上
  • TOP223YN 现货热卖
  • 数量26800 
  • 厂家POWER 
  • 封装TO-220 
  • 批号24+ 
  • POWER主营只做原装进口现货假一赔十!公司原装现货!
  • QQ:2885637848QQ:2885637848 复制
    QQ:2885658492QQ:2885658492 复制
  • 0755-84502810 QQ:2885637848QQ:2885658492
  • TOP223YN图
  • 北京耐芯威科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 优势库存
  • 数量5000 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号 
  • 原装正品 优势现货
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 96-010-62104931 QQ:2880824479QQ:1344056792
  • TOP223YN图
  • 北京元坤伟业科技有限公司

     该会员已使用本站17年以上
  • TOP223YN 热卖库存
  • 数量5000 
  • 厂家 
  • 封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:857273081QQ:857273081 复制
    QQ:1594462451QQ:1594462451 复制
  • 010-62104931 QQ:857273081QQ:1594462451
  • TOP223YN图
  • 北京耐芯威科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 热卖库存
  • 数量5000 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号 
  • 原装正品 优势现货
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 96-010-62104931 QQ:2880824479QQ:1344056792
  • TOP223YN图
  • 北京耐芯威科技有限公司

     该会员已使用本站12年以上
  • TOP223YN 热卖库存
  • 数量5000 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号 
  • 原装正品 优势现货
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 010-62104931 QQ:2880824479QQ:1344056792
  • TOP223YN图
  • 深圳市拓森弘电子有限公司

     该会员已使用本站1年以上
  • TOP223YN
  • 数量5300 
  • 厂家Raspberry Pi 
  • 封装 
  • 批号21+ 
  • 全新原装正品,现货库存欢迎咨询
  • QQ:1300774727QQ:1300774727 复制
  • 13714410484 QQ:1300774727
  • TOP223YN图
  • 深圳市羿芯诚电子有限公司

     该会员已使用本站7年以上
  • TOP223YN
  • 数量8800 
  • 厂家POWER 
  • 封装TO-220 
  • 批号新年份 
  • 羿芯诚只做原装,原厂渠道,价格优势可谈!
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  • 0755-82570683 QQ:2853992132
  • TOP223YN图
  • 集好芯城

     该会员已使用本站13年以上
  • TOP223YN
  • 数量12919 
  • 厂家POWER 
  • 封装TO220 
  • 批号最新批次 
  • 原装原厂 现货现卖
  • QQ:3008092965QQ:3008092965 复制
    QQ:3008092965QQ:3008092965 复制
  • 0755-83239307 QQ:3008092965QQ:3008092965
  • TOP223YN图
  • 北京齐天芯科技有限公司

     该会员已使用本站15年以上
  • TOP223YN
  • 数量5000 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号2024+ 
  • 原装正品 优势现货
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 010-62104931 QQ:2880824479QQ:1344056792
  • TOP223YN图
  • 深圳市隆亿诚科技有限公司

     该会员已使用本站3年以上
  • TOP223YN
  • 数量3616 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号22+ 
  • 支持检测.现货.原装价优
  • QQ:778039761QQ:778039761 复制
  • -0755-82710221 QQ:778039761
  • TOP223YN图
  • 深圳市富科达科技有限公司

     该会员已使用本站13年以上
  • TOP223YN
  • 数量24652 
  • 厂家POWER 
  • 封装TO-220 
  • 批号2020+ 
  • 全新原装进口现货特价热卖,长期供货
  • QQ:1327510916QQ:1327510916 复制
    QQ:1220223788QQ:1220223788 复制
  • 0755-28767101 QQ:1327510916QQ:1220223788
  • TOP223YN图
  • 深圳市正信鑫科技有限公司

     该会员已使用本站12年以上
  • TOP223YN
  • 数量4919 
  • 厂家Power 
  • 封装原厂封装 
  • 批号22+ 
  • 原装正品★真实库存★价格优势★欢迎来电洽谈
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    QQ:2440138151QQ:2440138151 复制
  • 0755-22655674 QQ:1686616797QQ:2440138151
  • TOP223YN图
  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • TOP223YN
  • 数量1050 
  • 厂家POWER 
  • 封装DIP 
  • 批号24+ 
  • 原装假一赔十!可提供正规渠道证明!
  • QQ:3003818780QQ:3003818780 复制
    QQ:3003819484QQ:3003819484 复制
  • 0755-83950895 QQ:3003818780QQ:3003819484
  • TOP223YN图
  • 深圳市科美奇科技有限公司

     该会员已使用本站15年以上
  • TOP223YN
  • 数量
  • 厂家22+ 
  • 封装16-DIP(0.300,7.62mm) 
  • 批号12560 
  • 十年资质★★稳定供货
  • QQ:578672175QQ:578672175 复制
  • 0755-83218135 QQ:578672175
  • TOP223YN图
  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • TOP223YN
  • 数量8228 
  • 厂家POWER 
  • 封装TO-220 
  • 批号23+ 
  • 原厂可订货,技术支持,直接渠道。可签保供合同
  • QQ:3007947087QQ:3007947087 复制
    QQ:3007947087QQ:3007947087 复制
  • 0755-83061789 QQ:3007947087QQ:3007947087
  • TOP223YN图
  • 深圳市科庆电子有限公司

     该会员已使用本站16年以上
  • TOP223YN
  • 数量78900 
  • 厂家POWER 
  • 封装TO220 
  • 批号23+ 
  • 现货只售原厂原装可含13%税
  • QQ:2850188252QQ:2850188252 复制
    QQ:2850188256QQ:2850188256 复制
  • 0755 QQ:2850188252QQ:2850188256
  • TOP223YN图
  • 北京睿科新创电子中心

     该会员已使用本站9年以上
  • TOP223YN
  • 数量
  • 厂家21+ 
  • 封装50000 
  • 批号面议 
  • 北京深圳现货010-62556580
  • QQ:765972029QQ:765972029 复制
    QQ:744742559QQ:744742559 复制
  • 010-62556580 QQ:765972029QQ:744742559
  • TOP223YN图
  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • TOP223YN
  • 数量3300 
  • 厂家POWER 
  • 封装NA/ 
  • 批号23+ 
  • 原装现货,当天可交货,原型号开票
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    QQ:3007947087QQ:3007947087 复制
  • 0755-82546830 QQ:3007977934QQ:3007947087
  • TOP223YN图
  • 北京耐芯威科技有限公司

     该会员已使用本站12年以上
  • TOP223YN
  • 数量5000 
  • 厂家Power Integrations 
  • 封装TO-220-3 
  • 批号21+ 
  • 全新原装、现货库存,欢迎询价
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  • 96-010-62104931 QQ:2880824479QQ:1344056792

产品型号TOP223YN的概述

芯片TOP223YN的概述 TOP223YN是一款由飞兆半导体(Fairchild Semiconductor)生产的高频开关电源芯片。作为一款集成化的电源控制器,TOP223YN主要用于AC-DC电源转换,其设计旨在实现高效率和小尺寸的电源解决方案。这款芯片利用了飞兆半导体于电源管理领域的丰富经验,结合了先进的技术,旨在满足市场对于高效能和低成本电源解决方案的需求。 TOP223YN采用了集成化设计,其内部集成了高压功率MOSFET、振荡器和控制电路。该芯片能够在不同的负载条件下稳定地工作,同时保持良好的温度特性。凭借其高集成度和良好的电气性能,该芯片广泛应用于适配器、开关电源及其他电源转换应用中。由于其出色的性能和应用灵活性,TOP223YN成为设计工程师和制造商的一项重要选择。 芯片TOP223YN的详细参数 TOP223YN的主要参数包括: 1. 电源电压范围:15V至38V(...

产品型号TOP223YN的Datasheet PDF文件预览

This product is not recommended for new designs.  
TOP221-227  
TOPSwitch-II Family  
Three-Terminal Off-Line PWM Switch  
Product Highlights  
AC  
IN  
• Lowest cost, lowest component count switcher solution  
• Cost competitive with linears above 5 W  
• Very low AC/DC losses – up to 90% efficiency  
• Built-in Auto-restart and Current limiting  
• Latching Thermal shutdown for system level protection  
• Implements Flyback, Forward, Boost or Buck topology  
• Works with primary or opto feedback  
• Stable in discontinuous or continuous conduction mode  
• Source connected tab for low EMI  
D
S
CONTROL  
C
TOPSwitch  
• Circuit simplicity and Design Tools reduce time to market  
Description  
PI-1951-091996  
The second generation TOPSwitch-II family is more cost  
effective and provides several enhancements over the first  
generation TOPSwitch family. The TOPSwitch-II family  
extends the power range from 100W to 150W for 100/115/  
230 VAC input and from 50W to 90W for 85-265 VAC univer-  
sal input. This brings TOPSwitch technology advantages  
to many new applications, i.e. TV, Monitor, Audio amplifiers,  
etc. Many significant circuit enhancements that reduce the  
sensitivity to board layout and line transients now make the  
design even easier. The standard 8L PDIP package option  
Figure 1. Typical Flyback Application.  
reduces cost in lower power, high efficiency applications.  
The internal lead frame of this package uses six of its pins to  
transfer heat from the chip directly to the board, eliminating  
the cost of a heat sink. TOPSwitch incorporates all functions  
necessary for a switched mode control system into a three  
terminal monolithic IC: power MOSFET, PWM controller, high  
voltage start up circuit, loop compensation and fault protec-  
tion circuitry.  
Output Power Table  
TO-220 (Y) Package1  
8L PDIP (P) or 8L SMD (G) Package2  
Wide Range Input  
85 to 265 VAC  
Single Voltage Input3  
Single Voltage Input3  
100/115/230 VAC 15ꢀ  
Wide Range Input  
85 to 265 VAC  
PART  
ORDER  
NUMBER  
PART  
ORDER  
NUMBER  
100/115/230 VAC 15ꢀ  
4,6  
4,6  
5,6  
5,6  
PMAX  
PMAX  
PMAX  
PMAX  
12 W  
25 W  
7 W  
TOP221YN  
TOP222YN  
TOP223YN  
TOP224YN  
TOP225YN  
TOP226YN  
TOP227YN  
9 W  
6 W  
TOP221PN or TOP221GN  
TOP222PN or TOP222GN  
15 W  
30 W  
45 W  
60 W  
75 W  
90 W  
15 W  
25 W  
30 W  
10 W  
15 W  
20 W  
TOP223PN or TOP223GN  
TOP224PN or TOP224GN  
50 W  
75 W  
100 W  
125 W  
150 W  
Notes: 1. Package outline: TO-220/3 2. Package Outline: DIP-8 or SMD-8 3. 100/115 VAC with doubler input 4. Assumes appro-  
priate heat sinking to keep the maximum TOPSwitch junction temperature below 100 °C. 5. Soldered to 1 sq. in. (6.45 cm2), 2 oz.  
copper clad (610 gm/m2) 6. PMAX is the maximum practical continuous power output level for conditions shown. The continuous  
power capability in a given application depends on thermal environment, transformer design, efficiency required, minimum spec-  
ified input voltage, input storage capacitance, etc. 7. Refer to key application considerations section when using TOPSwitch-II in  
an existing TOPSwitch design.  
www.power.com  
August 2016  
This Product is Covered by Patents and/or Pending Patent Applications.  
TOP221-227  
1
ꢋOꢅTꢈOꢌ  
ꢃꢈꢇꢎꢅ  
ꢎꢅTꢉꢈꢅꢇꢌ  
ꢀꢂPPꢌꢑ  
ꢀꢁꢂTꢃOꢄꢅꢆ  
ꢇꢂTO-ꢈꢉꢀTꢇꢈT  
ꢀꢁꢂꢅT ꢈꢉꢏꢂꢌꢇTOꢈꢆ  
ꢉꢈꢈOꢈ ꢇꢊPꢌꢎꢗꢎꢉꢈ  
-
ꢚ  
-
ꢒꢓ7 ꢐ  
ꢔꢓ7 ꢐ  
ꢒꢓ7 ꢐ  
-
ꢌꢎꢊꢎT  
ꢗꢘ  
Tꢁꢉꢈꢊꢇꢌ  
ꢀꢁꢂTꢃOꢄꢅ  
R
POꢄꢉꢈ-ꢂP  
ꢈꢉꢀꢉT  
ꢋOꢅTꢈOꢌꢌꢉꢃ  
Tꢂꢈꢅ-Oꢅ  
ꢏꢇTꢉ  
ꢃꢈꢎꢐꢉꢈ  
OꢀꢋꢎꢌꢌꢇTOꢈ  
ꢊꢇꢕ  
ꢋꢌOꢋꢍ  
ꢀꢇꢄ  
-
ꢌꢉꢇꢃꢎꢅꢏ  
ꢉꢃꢏꢉ  
R
ꢘꢌꢇꢅꢍꢎꢅꢏ  
Pꢄꢊ  
ꢋOꢊPꢇꢈꢇTOꢈ  
ꢊꢎꢅꢎꢊꢂꢊ  
Oꢅ-Tꢎꢊꢉ  
ꢃꢉꢌꢇꢑ  
ꢀOꢂꢈꢋꢉ  
ꢀꢁꢂ1ꢃꢄꢅꢂ0ꢃ16ꢃ6  
Figure 2. Functional Block Diagram.  
Pin Functional Description  
DRAIN Pin:  
Tꢋꢕ ꢆꢖꢗꢏꢘꢖꢋꢙꢙꢚ  
ꢀꢛꢖꢖꢏꢌꢗꢏꢜ ꢗꢛ ꢇOꢈꢂꢀꢉ Pꢝꢖ  
Output MOSFET drain connection. Provides internal bias  
current during start-up operation via an internal switched  
high-voltage current source. Internal current sense point.  
ꢄꢂꢅꢆꢁ  
ꢇOꢈꢂꢀꢉ  
CONTROL Pin:  
ꢀOꢁTꢂOꢃ  
Error amplifier and feedback current input pin for duty cycle  
control. Internal shunt regulator connection to provide inter-  
nal bias current during normal operation. It is also used as  
the connection point for the supply bypass and auto-restart/  
compensation capacitor.  
ꢊ Pꢋꢌꢍꢋꢎꢏ ꢐTO-22ꢑꢒꢓꢔ  
ꢇ ꢐꢞꢟ ꢂTꢁꢔ  
1
2
7
SOURCE Pin:  
ꢇ ꢐꢞꢟ ꢂTꢁꢔ  
ꢇ ꢐꢞꢟ ꢂTꢁꢔ  
YN package – Output MOSFET source connection for high  
voltage power return. Primary side circuit  
common and reference point.  
2
PN and GN package – Primary-side control circuit common  
and reference point.  
P Pꢋꢌꢍꢋꢎꢏ ꢐꢄꢆP-ꢠꢔ  
ꢡ Pꢋꢌꢍꢋꢎꢏ ꢐꢇꢢꢄ-ꢠꢔ  
ꢀꢁꢂꢃ08ꢄꢂ0ꢄ0ꢄ01  
SOURCE (HV RTN) Pin: (P and G package only)  
Output MOSFET source connection for high voltage power  
return.  
Figure 3. Pin Configuration.  
2
Rev. G 08/16  
www.power.com  
TOP221-227  
ꢔꢋꢕꢖꢌ ꢗ Pꢘꢁ ꢙꢚꢛꢜ  
ꢓꢑꢒ  
TOPSwitch-II Family Functional Description  
TOPSwitch is a self biased and protected linear control cur-  
rent-to-duty cycle converter with an open drain output. High  
efficiency is achieved through the use of CMOS and integra-  
tion of the maximum number of functions possible. CMOS  
process significantly reduces bias currents as compared to  
bipolar or discrete solutions. Integration eliminates external  
power resistors used for current sensing and/or supplying  
initial start-up bias current.  
ꢂꢆꢇꢕ-ꢞꢌꢟꢇꢚꢞꢇ  
ꢁꢂꢃ  
During normal operation, the duty cycle of the internal output  
MOSFET decreases linearly with increasing CONTROL pin  
current as shown in Figure 4. To implement all the required  
control, bias, and protection functions, the DRAIN and CON-  
TROL pins each perform several functions as described  
below. Refer to Figure 2 for a block diagram and to Figure 6  
for timing and voltage waveforms of the TOPSwitch inte-  
grated circuit.  
ꢁꢄꢅ  
2ꢑꢒ  
ꢉꢀ1  
ꢍꢐꢂꢏ  
ꢀꢁꢂꢃ0ꢄ0ꢂ0ꢅ01ꢆꢇ  
Figure 4. Relationship of Duty Cycle to CONTROL Pin Current.  
5.7 V  
4.7 V  
V
C
0
V
IN  
DRAIN  
0
5.7 V  
4.7 V  
V
C
0
V
IN  
DRAIN  
0
C is the total external capacitance  
T
connected to the CONTROL pin  
Figure 5. Start-up Waveforms for (a) Normal Operation and (b) Auto-restart.  
3
Rev. G 08/16  
www.power.com  
TOP221-227  
Oscillator  
TOPSwitch-II Family Functional Description (cont.)  
The internal oscillator linearly charges and discharges the  
internal capacitance between two voltage levels to create a  
sawtooth waveform for the pulse width modulator. The oscil-  
lator sets the pulse width modulator/current limit latch at the  
beginning of each cycle. The nominal frequency of 100 kHz  
was chosen to minimize EMI and maximize efficiency in  
power supply applications. Trimming of the current reference  
improves the frequency accuracy.  
Control Voltage Supply  
CONTROL pin voltage VC is the supply or bias voltage for the  
controller and driver circuitry. An external bypass capacitor  
closely connected between the CONTROL and SOURCE  
pins is required to supply the gate drive current. The total  
amount of capacitance connected to this pin (CT) also sets  
the auto-restart timing as well as control loop compensation.  
VC is regulated in either of two modes of operation. Hyster-  
etic regulation is used for initial start-up and overload opera-  
tion. Shunt regulation is used to separate the duty cycle  
error signal from the control circuit supply current. During  
start-up, CONTROL pin current is supplied from a high-volt-  
age switched current source connected internally between  
the DRAIN and CONTROL pins. The current source pro-  
vides sufficient current to supply the control circuitry as well  
as charge the total external capacitance (CT).  
Pulse Width Modulator  
The pulse width modulator implements a voltage-mode  
control loop by driving the output MOSFET with a duty cycle  
inversely proportional to the current into the CONTROL pin  
which generates a voltage error signal across RE. The error  
signal across RE is filtered by an RC network with a typical  
corner frequency of 7 kHz to reduce the effect of switching  
noise. The filtered error signal is compared with the internal  
oscillator sawtooth waveform to generate the duty cycle  
waveform. As the control current increases, the duty cycle  
decreases. A clock signal from the oscillator sets a latch  
which turns on the output MOSFET. The pulse width modu-  
lator resets the latch, turning off the output MOSFET. The  
maximum duty cycle is set by the symmetry of the internal  
oscillator. The modulator has a minimum ON-time to keep  
the current consumption of the TOPSwitch independent  
of the error signal. Note that a minimum current must be  
driven into the CONTROL pin before the duty cycle begins to  
change.  
The first time VC reaches the upper threshold, the high-  
voltage current source is turned off and the PWM modulator  
and output transistor are activated, as shown in Figure 5(a).  
During normal operation (when the output voltage is regulat-  
ed) feedback control current supplies the VC supply current.  
The shunt regulator keeps VC at typically 5.7 V by shunting  
CONTROL pin feedback current exceeding the required DC  
supply current through the PWM error signal sense resistor  
RE. The low dynamic impedance of this pin (ZC) sets the  
gain of the error amplifier when used in a primary feedback  
configuration. The dynamic impedance of the CONTROL  
pin together with the external resistance and capacitance  
determines the control loop compensation of the power  
system.  
Gate Driver  
The gate driver is designed to turn the output MOSFET on at  
a controlled rate to minimize common-mode EMI. The gate  
drive current is trimmed for improved accuracy.  
If the CONTROL pin total external capacitance (CT) should  
discharge to the lower threshold, the output MOSFET is  
turned off and the control circuit is placed in a low-current  
standby mode. The high-voltage current source turns on  
and charges the external capacitance again. Charging  
current is shown with a negative polarity and discharging  
current is shown with a positive polarity in Figure 6. The  
hysteretic auto-restart comparator keeps VC within a window  
of typically 4.7 to 5.7 V by turning the high-voltage current  
source on and off as shown in Figure 5(b). The auto-restart  
circuit has a divide-by-8 counter which prevents the output  
MOSFET from turning on again until eight discharge-charge  
cycles have elapsed. The counter effectively limits  
Error Amplifier  
The shunt regulator can also perform the function of an er-  
ror amplifier in primary feedback applications. The shunt  
regulator voltage is accurately derived from the temperature  
compensated bandgap reference. The gain of the error  
amplifier is set by the CONTROL pin dynamic impedance.  
The CONTROL pin clamps external circuit signals to the VC  
voltage level. The CONTROL pin current in excess of the  
supply current is separated by the shunt regulator and flows  
through RE as a voltage error signal.  
Cycle-By-Cycle Current Limit  
TOPSwitch power dissipation by reducing the auto-restart  
duty cycle to typically 5%. Auto-restart continues to cycle  
until output voltage regulation is again achieved.  
The cycle by cycle peak drain current limit circuit uses the  
output MOSFET ON-resistance as a sense resistor. A current  
limit comparator compares the output MOSFET ON-state  
drain-source voltage, VDS(ON) with a threshold voltage. High  
drain current causes VDS(ON) to exceed the threshold voltage  
and turns the output MOSFET off until the start of the next  
clock cycle. The current limit comparator threshold voltage  
is temperature compensated to minimize variation of the  
effective peak current limit due to temperature related  
Bandgap Reference  
All critical TOPSwitch internal voltages are derived from a  
temperature-compensated bandgap reference. This refer-  
ence is also used to generate a temperature-compensated  
current source which is trimmed to accurately set the oscilla-  
tor frequency and MOSFET gate drive current.  
changes in output MOSFET RDS(ON)  
.
4
Rev. G 08/16  
www.power.com  
TOP221-227  
V
IN  
V
IN  
0
DRAIN  
V
OUT  
0
0
I
OUT  
• • •  
• • •  
V
V
C
C(reset)  
0
0
• • •  
• • •  
I
C
Figure 6. Typical Waveforms for (1) Normal Operation, (2) Auto-restart, and (3) Power Down Reset.  
The leading edge blanking circuit inhibits the current limit  
comparator for a short time after the output MOSFET is  
turned on. The leading edge blanking time has been set so  
that current spikes caused by primary-side capacitances  
and secondary-side rectifier reverse recovery time will not  
cause premature termination of the switching pulse.  
Overtemperature Protection  
Temperature protection is provided by a precision analog  
circuit that turns the output MOSFET off when the junction  
temperature exceeds the thermal shutdown temperature  
(typically 135 °C). Activating the power-up reset circuit by  
removing and restoring input power or momentarily pulling  
the CONTROL pin below the power-up reset threshold resets  
the latch and allows TOPSwitch to resume normal power  
supply operation. VC is regulated in hysteretic mode and a  
4.7 V to 5.7 V (typical) sawtooth waveform is present on the  
CONTROL pin when the power supply is latched off.  
The current limit can be lower for a short period after the  
leading edge blanking time as shown in Figure 12. This is  
due to dynamic characteristics of the MOSFET. To avoid trig-  
gering the current limit in normal operation, the drain current  
waveform should stay within the envelope shown.  
High-Voltage Bias Current Source  
This current source biases TOPSwitch from the DRAIN pin  
and charges the CONTROL pin external capacitance (CT)  
during start-up or hysteretic operation. Hysteretic opera-  
tion occurs during auto-restart and overtemperature latched  
shutdown. The current source is switched on and off with an  
effective duty cycle of approximately 35%. This duty cycle  
is determined by the ratio of CONTROL pin charge (IC) and  
discharge currents (ICD1 and ICD2). This current source is  
turned off during normal operation when the output MOSFET  
is switching.  
Shutdown/Auto-restart  
To minimize TOPSwitch power dissipation, the shutdown/  
auto-restart circuit turns the power supply on and off at an  
auto-restart duty cycle of typically 5% if an out of regulation  
condition persists. Loss of regulation interrupts the external  
current into the CONTROL pin. VC regulation changes from  
shunt mode to the hysteretic auto-restart mode described  
above. When the fault condition is removed, the power sup-  
ply output becomes regulated, VC regulation returns to shunt  
mode, and normal operation of the power supply resumes.  
5
Rev. G 08/16  
www.power.com  
TOP221-227  
ꢑ1  
ꢆ.ꢆ µꢒ  
ꢉꢃ  
ꢊꢋꢄꢅ01  
ꢑꢒ ꢓ  
ꢄTꢏ  
ꢌꢃ  
ꢌꢆ  
ꢆꢆ0 µꢋ  
100 µꢋ  
Rꢆ  
ꢅꢇ ꢈΩ  
ꢌ1  
ꢃ.ꢃ ꢍꢋ  
1 ꢈꢎ  
ꢎR1  
10 ꢎ  
10 ꢎ  
ꢉ1  
ꢊꢋꢅ00ꢄ  
Rꢃ  
100 Ω  
ꢉꢆ  
1ꢓꢅ1ꢅ8  
R1  
10 Ω  
ꢀꢁꢂꢃ-ꢄꢅꢆꢇꢃ  
ꢈꢉ ꢊꢆꢋꢌꢍ  
ꢏ1  
TOPꢎꢔꢁꢍꢕꢖ-ꢊꢊ  
ꢊ1  
ꢌꢅ  
100 µꢋ  
16 ꢎ  
ꢏꢐꢀꢃꢃ1ꢀ  
ꢉOꢏTꢄOꢐ  
ꢊꢃ  
ꢀꢌ81ꢇꢔ  
12 ꢓ ꢏꢗꢆ-ꢊꢘꢗꢙꢅꢍꢃꢂ  
ꢌꢄ  
ꢅꢇ µꢋ  
10 ꢎ  
-
-
ꢀꢁꢂꢃ11ꢄꢂ0ꢅ0ꢅ01  
Figure 7. Schematic Diagram of a 4 W TOPSwitch-II Standby Power Supply using an 8 lead PDIP.  
Application Examples  
the full universal AC input range. The TOP221 is packaged in  
an 8 pin power DIP package.  
Following are just two of the many possible TOPSwitch  
implementations. Refer to the Data Book and Design Guide  
for additional examples.  
The output voltage (5 V) is directly sensed by the Zener  
diode (VR1) and the optocoupler (U2). The output voltage is  
determined by the sum of the Zener voltage and the volt-  
age drop across the LED of the optocoupler (the voltage  
drop across R1 is negligible). The output transistor of the  
optocoupler drives the CONTROL pin of the TOP221. C5  
bypasses the CONTROL pin and provides control loop com-  
pensation and sets the auto-restart frequency.  
4 W Standby Supply using 8 Lead PDIP  
Figure 7 shows a 4 W standby supply. This supply is used  
in appliances where certain standby functions (e.g. real time  
clock, remote control port) must be kept active even while  
the main power supply is turned off.  
The 5 V secondary is used to supply the standby function  
and the 12 V non-isolated output is used to supply power  
for the PWM controller of the main power supply and other  
primary side functions.  
The transformer’s leakage inductance voltage spikes are  
snubbed by R3 and C1 through diode D1. The bias winding  
is rectified and filtered by D3 and C4 providing a non-isolat-  
ed 12 V output which is also used to bias the collector of the  
optocoupler’s output transistor. The isolated 5 V output wind-  
ing is rectified by D2 and filtered by C2, L1 and C3.  
For this application the input rectifiers and input filter are  
sized for the main supply and are not shown. The input DC  
rail may vary from 100 V to 380 V DC which corresponds to  
6
Rev. G 08/16  
www.power.com  
TOP221-227  
ꢗ1  
ꢅ.ꢅ µꢙ  
ꢇꢃ  
ꢈꢉRꢊꢃ0  
ꢌ12 ꢍ  
ꢅTꢁ  
ꢌꢃ  
ꢅꢅ0 µꢍ  
ꢅꢎ ꢏ  
ꢌꢅ  
ꢃꢃ0 µꢍ  
ꢅꢎ ꢏ  
ꢏR1  
ꢀ6ꢓꢔꢃ00  
ꢇ1  
ꢑꢒꢏꢃ6ꢌ  
ꢑR1  
ꢊ00 ꢏ  
ꢗꢃ  
ꢃꢃ ꢘꢙ  
ꢇꢅ  
1ꢋꢊ1ꢊ8  
R1  
ꢌ1  
100 Ω  
ꢊꢆ µꢍ  
ꢌꢊ  
0.1 µꢍ  
ꢊ00 ꢏ  
TOPꢃꢆꢇꢈꢉꢊ-ꢋꢋ  
ꢌ6  
Rꢃ  
ꢉ1  
0.1 µꢍ  
ꢐ1  
ꢃꢃ0 Ω  
ꢐꢚꢀꢃꢃꢊꢀ  
ꢄOꢁTꢅOꢀ  
ꢃꢎ0 ꢏꢕꢌ  
ꢉꢃ  
ꢀꢌ81ꢆꢕ  
Rꢅ  
6.8 Ω  
ꢍ1  
ꢅ.1ꢎ ꢕ  
ꢏRꢃ  
1ꢋꢎꢃꢊ1ꢑ  
11 ꢏ  
ꢌꢆ  
1 ꢛꢍ  
ꢃꢎ0 ꢏꢕꢌ  
ꢒ1  
ꢖ1  
ꢌꢎ  
ꢊꢆ µꢍ  
ꢀꢁꢂꢃ01ꢄꢂ0ꢅꢅ1ꢄꢆ  
Figure 8. Schematic Diagram of a 20 W Universal Input TOPSwitch-II Power Supply using an 8 lead PDIP.  
20 W Universal Supply using 8 Lead PDIP  
VR1 clamp leading-edge voltage spikes caused by trans-  
former leakage inductance. The power secondary winding  
is rectified and filtered by D2, C2, L1, and C3 to create the  
12 V output voltage. R2 and VR2 provide a slight pre-load  
on the 12 V output to improve load regulation at light loads.  
The bias winding is rectified and filtered by D3 and C4 to  
create a TOPSwitch bias voltage. L2 and Y1-safety capaci-  
tor C7 attenuate common mode emission currents caused  
by high-voltage switching waveforms on the DRAIN side of  
the primary winding and the primary to secondary capaci-  
tance. Leakage inductance of L2 with C1 and C6 attenu-  
ates differential-mode emission currents caused by the  
fundamental and harmonics of the trapezoidal or triangular  
primary current waveform. C5 filters internal MOSFET gate  
drive charge current spikes on the CONTROL pin, deter-  
mines the auto-restart frequency, and together with R1 and  
R3, compensates the control loop.  
Figure 8 shows a 12 V, 20 W secondary regulated flyback  
power supply using the TOP224P in an eight lead PDIP  
package and operating from universal 85 to 265 VAC input  
voltage. This example demonstrates the advantage of the  
higher power 8 pin leadframe used with the TOPSwitch-II  
family. This low cost package transfers heat directly to the  
board through six source pins, eliminating the heatsink and  
the associated cost. Efficiency is typically 80% at low line  
input. Output voltage is directly sensed by optocoupler U2  
and Zener diode VR2. The output voltage is determined by  
the Zener diode (VR2) voltage and the voltage drops across  
the optocoupler (U2) LED and resistor R1. Other output  
voltages are possible by adjusting the transformer turns ratio  
and value of Zener diode VR2.  
AC power is rectified and filtered by BR1 and C1 to create  
the high voltage DC bus applied to the primary winding of  
T1. The other side of the transformer primary is driven by  
the integrated TOPSwitch-II high-voltage MOSFET. D1 and  
7
Rev. G 08/16  
www.power.com  
TOP221-227  
Key Application Considerations  
General Guidelines  
• Short interruptions of AC power may cause TOPSwitch  
to enter the 8-count auto-restart cycle before starting  
again. This is because the input energy storage capaci-  
tors are not completely discharged and the CONTROL  
pin capacitance has not discharged below the internal  
power-up reset voltage.  
• Keep the SOURCE pin length very short. Use a Kelvin  
connection to the SOURCE pin for the CONTROL pin by-  
pass capacitor. Use single point grounding techniques  
at the SOURCE pin as shown in Figure 9.  
• In some cases, minimum loading may be necessary to  
keep a lightly loaded or unloaded output voltage within  
the desired range due to the minimum ON-time.  
• Minimize peak voltage and ringing on the DRAIN volt-  
age at turn-off. Use a Zener or TVS Zener diode to  
clamp the drain voltage below the breakdown voltage  
rating of TOPSwitch under all conditions, including start-  
up and overload. The maximum recommended clamp  
Zener voltage for the TOP2XX series is 200 V and the  
corresponding maximum reflected output voltage on the  
primary is 135 V. Please see Step 4: AN-16 in the 1996-  
97 Data Book and Design Guide or on our Web site.  
Replacing TOPSwitch with TOPSwitch-II  
There is no external latching shutdown function in  
TOPSwitch-II. Otherwise, the functionality of the TOPSwitch-II  
devices is same as that of the TOPSwitch family. However,  
before considering TOPSwitch-II as a 'drop in' replace-  
ment in an existing TOPSwitch design, the design should  
be verified as described below.  
• The transformer should be designed such that the rate  
of change of drain current due to transformer saturation  
is within the absolute maximum specification (ID in  
100 ns before turn off as shown in Figure 13). As a  
guideline, for most common transformer cores, this can  
be achieved by maintaining the Peak Flux Density (at  
maximum ILIMIT current) below 4200 Gauss (420 mT).  
The transformer spreadsheets Rev. 2.1 (or later) for con-  
tinuous and Rev.1.0 (or later) for discontinuous conduc-  
tion mode provide the necessary information.  
The new TOPSwitch-II family offers more power capability  
than the original TOPSwitch family for the same MOSFET  
DS(ON). Therefore, the original TOPSwitch design must  
be reviewed to make sure that the selected TOPSwitch-II  
replacement device and other primary components are not  
over stressed under abnormal conditions.  
R
The following verification steps are recommended:  
• Do not plug TOPSwitch into a “hot” IC socket dur-  
ing test. External CONTROL pin capacitance may be  
charged to excessive voltage and cause TOPSwitch  
damage.  
• Check the transformer design to make sure that it  
meets the ID specification as outlined in the General  
Guidelines section above.  
• While performing TOPSwitch device tests, do not  
exceed maximum CONTROL pin voltage of 9 V or maxi-  
mum CONTROL pin current of 100 mA.  
• Thermal: Higher power capability of the TOPSwitch-II  
would in many instances allow use of a smaller MOS-  
FET device (higher RDS(ON)) for reduced cost. This may  
affect TOPSwitch power dissipation and power supply  
efficiency. Therefore thermal performance of the power  
supply must be verified with the selected TOPSwitch-II  
device.  
• Under some conditions, externally provided bias or  
supply current driven into the CONTROL pin can hold  
the TOPSwitch in one of the 8 auto-restart cycles in-  
definitely and prevent starting. To avoid this problem when  
doing bench evaluations, it is recommended that the VC  
power supply be turned on before the DRAIN voltage is  
applied. TOPSwitch can also be reset by shorting the  
CONTROL pin to the SOURCE pin momentarily.  
• Clamp Voltage: Reflected and Clamp voltages should  
be verified not to exceed recommended maximums  
for the TOP2XX Series: 135 V Reflected/200 V Clamp.  
Please see Step 4: AN-16 in the Data Book and Design  
Guide and readme.txt file attached to the transformer  
design spreadsheets.  
• CONTROL pin currents during auto-restart operation  
are much lower at low input voltages (< 36 V) which in-  
creases the auto-restart cycle time (see the IC vs. DRAIN  
Voltage Characteristic curve).  
• Agency Approval: Migrating to TOPSwitch-II may  
require agency re-approval.  
8
Rev. G 08/16  
www.power.com  
TOP221-227  
TO-220 PACKAGE  
S
D
C
TOP VIEW  
DIP-8/SMD-8 PACKAGE  
SOURCE  
SOURCE  
CONTROL  
DRAIN  
TOP VIEW  
Figure 9. Recommended TOPSwitch Layout.  
Design Tools  
All data sheets, application literature and up-to-date versions  
of the Transformer Design Spreadsheets can be downloaded  
from our Web site at www.power.com. A diskette of the  
Transformer Design Spreadsheets may also be obtained by  
sending in the completed form provided at the end of this  
data sheet.  
The following tools available from Power Integrations greatly  
simplify TOPSwitch based power supply design.  
• Data Book and Design Guide includes extensive  
application information  
• Excel Spreadsheets for Transformer Design - Use of  
this tool is strongly recommended for all TOPSwitch  
designs.  
• Reference design boards – Production viable designs  
that are assembled and tested.  
9
Rev. G 08/16  
www.power.com  
TOP221-227  
ABSOLUTE MAXIMUM RATINGS(1,5)  
Notes:  
DRAIN Voltage .................................................. -0.3 to 700 V  
1. All voltages referenced to SOURCE, TA = 25 °C.  
2. Related to transformer saturation – see Figure 13.  
3. Normally limited by internal circuitry.  
DRAIN Current Increase (ID) in 100 ns except during  
blanking time ................................................. 0.1 x ILIMIT(MAX)  
(2)  
CONTROL Voltage............................................ - 0.3 V to 9 V  
CONTROL Current.................................................... 100 mA  
Storage Temperature ........................................-65 to 150 °C  
Operating Junction Temperature(3) ...................-40 to 150 °C  
Lead Temperature(4) ...................................................260 °C  
4. 1/16" from case for 5 seconds.  
5. The Absolute Maximum Ratings specified may be applied,  
one at a time without causing permanent damage to the  
product. Exposure to Absolute Maximum Ratings for ex-  
tended periods of time may affect product reliability.  
THERMAL RESISTANCE  
Thermal Resistance: Y Package  
Notes:  
(θJA)(1) ............................................. 70 °C/W 1. Free standing with no heat sink.  
(θJC)(2) ............................................... 2 °C/W 2. Measured at tab closest to plastic interface or SOURCE pin.  
P/G Package:  
3. Soldered to 0.36 sq. inch (232 mm2), 2 oz. (610 gm/m2) copper clad.  
(θJA) ............................45 °C/W(3); 35 °C/W(4) 4. Soldered to 1 sq. inch (645 mm2), 2 oz. (610 gm/m2) copper clad.  
(θJC)(2) ............................................. 11 °C/W  
Conditions  
(Unless Otherwise Specified)  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
See Figure 14  
SOURCE = 0 V; TJ = -40 to 125 °C  
CONTROL FUNCTIONS  
fOSC  
Output Frequency  
IC = 4 mA, TJ = 25 °C  
IC = ICD1 + 0.4 mA, See Figure 10  
IC = 10 mA, See Figure 10  
90  
64  
100  
67  
110  
70  
kHz  
%
DMAX  
Maximum Duty Cycle  
Minimum Duty Cycle  
DMIN  
0.7  
-21  
1.7  
-16  
2.7  
-11  
%
PWM  
Gain  
IC = 4 mA, TJ = 25 °C  
%/mA  
See Figure 4  
PWM Gain  
Temperature Drift  
-0.05  
2.0  
See Note A  
%/mA/°C  
External Bias Current  
Dynamic Impedance  
IB  
0.8  
10  
3.3  
22  
mA  
See Figure 4  
IC = 4 mA, TJ = 25 °C  
15  
ZC  
See Figure 11  
Dynamic Impedance  
Temperature Drift  
0.18  
%/°C  
SHUTDOWN/AUTO-RESTART  
VC = 0 V  
VC = 5 V  
-2.4  
-2  
-1.9  
-1.5  
-1.2  
-0.8  
CONTROL Pin  
IC  
TJ = 25 °C  
mA  
Charging Current  
Charging Current  
Temperature Drift  
See Note A  
S1 open  
0.4  
VC(AR)  
%/°C  
10  
Rev. G 08/16  
www.power.com  
TOP221-227  
Conditions  
(Unless Otherwise Specified)  
See Figure 14  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
SOURCE = 0 V; TJ = -40 to 125 °C  
SHUTDOWN/AUTO-RESTART (cont.)  
Auto-restart  
Threshold Voltage  
S1 open  
S1 open  
S1 open  
5.7  
4.7  
1.0  
V
V
UV Lockout  
Threshold Voltage  
4.4  
0.6  
5.0  
Auto-restart  
Hysteresis Voltage  
V
TOP221-222  
TOP223-227  
2
2
5
5
9
8
Auto-restart  
Duty Cycle  
S1 open  
%
Hz  
Auto-restart  
Frequency  
S1 open  
1.2  
CIRCUIT PROTECTION  
di/dt = 40 mA/µs,  
TJ = 25 °C  
TOP221YN  
TOP221PN or GN  
TOP222YN  
0.23  
0.45  
0.25  
0.50  
0.28  
0.55  
di/dt = 80 mA/µs,  
TJ = 25 °C  
di/dt = 160 mA/µs,  
TJ = 25 °C  
TOP222PN or GN  
TOP223YN  
0.90  
1.35  
1.80  
2.25  
2.70  
1.00  
1.50  
2.00  
2.50  
3.00  
1.10  
1.65  
2.20  
2.75  
3.30  
TOP223PN or GN  
TOP224YN  
Self-protection  
ILIMIT  
di/dt = 240 mA/µs,  
TJ = 25 °C  
A
Current Limit  
TOP224PN or GN  
di/dt = 320 mA/µs,  
TJ = 25 °C  
TOP225YN  
TOP226YN  
di/dt = 400 mA/µs,  
TJ = 25 °C  
di/dt = 480 mA/µs,  
TOP227YN  
TJ = 25 °C  
0.75 x  
ILIMIT(MIN)  
85 VAC  
(Rectified Line Input)  
See Figure 12  
IINIT  
A
TJ = 25 °C  
Initial Current Limit  
0.6 x  
ILIMIT(MIN)  
265 VAC  
(Rectified Line Input)  
Leading Edge  
tLEB  
IC = 4 mA,  
TJ = 25 °C  
ns  
180  
Blanking Time  
11  
Rev. G 08/16  
www.power.com  
TOP221-227  
Conditions  
(Unless Otherwise Specified)  
See Figure 14  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
SOURCE = 0 V; TJ = -40 to 125 °C  
CIRCUIT PROTECTION (cont.)  
Current Limit  
tILD  
IC = 4 mA  
ns  
°C  
V
100  
135  
3.3  
Delay  
Thermal Shutdown  
Temperature  
IC = 4 mA  
S2 open  
125  
2.0  
Power-up Reset  
VC(RESET)  
4.3  
Threshold Voltage  
OUTPUT  
31.2  
36.0  
TOP221  
TJ = 25 °C  
ID = 25 mA  
TJ = 100 °C  
51.4  
15.6  
25.7  
60.0  
18.0  
30.0  
TOP222  
ID = 50 mA  
TOP223  
TJ = 25 °C  
TJ = 100 °C  
TJ = 25 °C  
TJ = 100 °C  
7.8  
12.9  
5.2  
9.0  
15.0  
6.0  
ID = 100 mA  
TOP224  
TJ = 25 °C  
ON-State  
RDS(ON)  
Resistance  
ID = 150 mA  
TJ = 100 °C  
8.6  
10.0  
TOP225  
ID = 200 mA  
TOP226  
TJ = 25 °C  
TJ = 100 °C  
TJ = 25 °C  
3.9  
6.4  
3.1  
5.2  
2.6  
4.3  
4.5  
7.5  
3.6  
6.0  
3.0  
5.0  
ID = 250 mA  
TOP227  
TJ = 100 °C  
TJ = 25 °C  
TJ = 100 °C  
ID = 300 mA  
See Note B  
VDS = 560 V, TA = 125 °C  
OFF-State  
Current  
250  
µA  
IDSS  
See Note B  
ID = 100 µA, TA = 25 °C  
Breakdown  
Voltage  
700  
V
BVDSS  
Rise  
Time  
100  
50  
ns  
ns  
tR  
Measured in a Typical Flyback  
Converter Application.  
Fall  
Time  
tF  
12  
Rev. G 08/16  
www.power.com  
TOP221-227  
Conditions  
(Unless Otherwise Specified)  
See Figure 14  
Parameter  
Symbol  
Min  
Typ Max  
Units  
SOURCE = 0 V; TJ = -40 to 125 °C  
OUTPUT (cont.)  
V
V
See Note C  
IC = 4 mA  
36  
DRAIN Supply Voltage  
Shunt Regulator  
Voltage  
VC(SHUNT)  
5.5  
5.7  
50  
6.0  
Shunt Regulator  
Temperature Drift  
ppm/°C  
Output  
TOP221-224  
TOP225-227  
0.6  
0.7  
1.2  
1.4  
1.6  
1.8  
ICD1  
CONTROL Supply/  
Discharge Current  
MOSFET Enabled  
mA  
ICD2  
0.5  
0.8  
1.1  
Output MOSFET Disabled  
NOTES:  
A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in  
magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in  
magnitude with increasing temperature.  
B. The breakdown voltage and leakage current measurements can be accomplished as shown in Figure 15 by  
using the following sequence:  
i. The curve tracer should initially be set at 0 V. The base output should be adjusted through a voltage  
sequence of 0 V, 6.5 V, 4.3 V, and 6.5 V, as shown. The base current from the curve tracer should not  
exceed 100 mA. This CONTROL pin sequence interrupts the Auto-restart sequence and locks the  
TOPSwitch internal MOSFET in th OFF-state.  
ii. The breakdown and the leakage measurements can now be taken with the curve tracer. The maximum  
voltage from the curve tracer must be limited to 700 V under all conditions.  
C. It is possible to start up and operate TOPSwitch at DRAIN voltages well below 36 V. However, the CONTROL  
pin charging current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle.  
Refer to the characteristic graph on CONTROL pin charge current (IC) vs. DRAIN voltage for low voltage opera-  
tion characteristics.  
13  
Rev. G 08/16  
www.power.com  
TOP221-227  
120  
100  
80  
60  
ꢀ0  
20  
0
t
t
HV  
90%  
90%  
t
t
ꢀRAIN  
ꢁꢂLTAꢃE  
1
2
D =  
1
Dynamic  
10%  
Impedance Slope  
0 V  
PI-2039-033001  
0
2
6
8
10  
Figure 10. TOPSwitch Duty Cycle Measurement.  
CONTROL Pin Voltage (V)  
Figure 11. TOPSwitch CONTROL Pin I-V Characteristic.  
t
(ꢅlanking Time)  
LEꢅ  
1.3  
1.2  
1.1  
1.0  
0.ꢀ  
0.8  
0.ꢃ  
0.6  
0.ꢂ  
0.ꢁ  
0.3  
0.2  
0.1  
100 ꢇꢈ  
ꢊꢋꢌ  
ꢆ  
IINIT(MIN) @ 85 VAC  
IINIT(MIN) @ 265 VAC  
DRAIN  
CURRENT  
ILIMIT(MAꢄ) @ 25 ˚C  
ILIMIT(MIN) @ 25 ˚C  
0 ꢍ  
0
0
1
2
3
6
8
ꢀꢁꢂꢃ0ꢄ1ꢂ0ꢅ0ꢅ01  
Time (µs)  
Figure 13. Example of ID on Drain Current Waveform with  
Figure 12. Self-protection Current Limit Envelope.  
Saturated Transformer.  
14  
Rev. G 08/16  
www.power.com  
TOP221-227  
ꢄꢆ0  
ꢇ ꢉ  
ꢊꢋ  
ꢅOꢀTꢆOꢇ  
ꢄꢆ0 Ω  
TOPꢂꢈꢉꢊꢋꢌ  
ꢊ1  
ꢄ0 ꢈ  
0.1 µꢅ  
ꢄꢆ µꢅ  
0ꢂꢇ0 ꢈ  
ꢀOTꢁꢂꢃ 1. ꢌꢍꢎꢏ ꢐeꢏꢐ ꢑꢎꢒꢑꢓꢎꢐ ꢎꢏ ꢔꢕꢐ ꢖꢗꢗꢘꢎꢑꢖꢙꢘe ꢚꢕꢒ ꢑꢓꢒꢒeꢔꢐ ꢘꢎꢛꢎꢐ ꢕꢒ ꢕꢓꢐꢗꢓꢐ ꢑꢍꢖꢒꢖꢑꢐeꢒꢎꢏꢐꢎꢑ ꢛeꢖꢏꢓꢒeꢛeꢔꢐꢏ.  
ꢋ. ꢅꢕꢒ ꢀ ꢗꢖꢑꢜꢖꢝeꢞ ꢏꢍꢕꢒꢐ ꢖꢘꢘ ꢊꢟꢠRꢡꢢ ꢖꢔꢣ ꢊꢟꢠRꢡꢢ ꢤꢥꢈ Rꢌꢦꢧ ꢗꢎꢔꢏ ꢐꢕꢝeꢐꢍeꢒ.  
ꢀꢁꢂ1ꢃ6ꢄꢂ1106ꢃ6  
Figure 14. TOPSwitch General Test Circuit.  
ꢆꢇꢈve  
ꢉꢈꢊꢋeꢈ  
ꢅOꢀTꢆOꢇ  
TOPꢄꢈꢉꢊꢋꢌ  
6.ꢡ ꢢ  
ꢅ.ꢣ ꢢ  
ꢀOTꢁꢂ ꢉꢌꢍꢎ ꢆꢏꢐꢉRꢏꢑ ꢒꢍꢓ ꢎeꢔꢇeꢓꢋe ꢍꢓꢕeꢈꢈꢇꢒꢕꢎ ꢕꢌe ꢖꢇꢕꢗꢂꢈeꢎꢕꢊꢈꢕ ꢎeꢔꢇeꢓꢋe ꢊꢓꢘ  
ꢙꢗꢋꢚꢎ ꢕꢌe ꢉꢏꢀꢛꢜꢍꢕꢋꢌ ꢍꢓꢕeꢈꢓꢊꢙ ꢝꢏꢛꢞꢟꢉ ꢍꢓ ꢕꢌe ꢏꢞꢞꢂꢛꢕꢊꢕe.  
ꢀꢁꢂꢃ10ꢄꢂ0ꢅ0ꢅ01  
Figure 15. Breakdown Voltage and Leakage Current Measurement Test Circuit.  
15  
Rev. G 08/16  
www.power.com  
TOP221-227  
BENCH TEST PRECAUTIONS FOR EVALUATION OF ELECTRICAL CHARACTERISTICS  
The following precautions should be followed when testing  
TOPSwitch by itself outside of a power supply. The sche-  
matic shown in Figure 14 is suggested for laboratory testing  
of TOPSwitch.  
in this Auto-restart mode, there is only a 12.5% chance that  
the control pin oscillation will be in the correct state (DRAIN  
active state) so that the continuous DRAIN voltage waveform  
may be observed. It is recommended that the VC power sup-  
ply be turned on first and the DRAIN power supply second  
if continuous drain voltage waveforms are to be observed.  
The 12.5% chance of being in the correct state is due to the  
8:1 counter. Temporarily shorting the CONTROL pin to the  
SOURCE pin will reset TOPSwitch, which then will come up  
in the correct state.  
When the DRAIN supply is turned on, the part will be in the  
Auto-restart mode. The CONTROL pin voltage will be oscil-  
lating at a low frequency from 4.7 to 5.7 V and the DRAIN is  
turned on every eighth cycle of the CONTROL pin oscilla-  
tion. If the CONTROL pin power supply is turned on while  
Typical Performance Characteristics  
FREQUENCY vs. TEMPERATURE  
BREAKDOWN vs. TEMPERATURE  
Junction Temperature (°C)  
Junction Temperature (°C)  
CURRENT LIMIT vs. TEMPERATURE  
ꢃ ꢖꢗꢘ ꢀꢁꢂꢃꢄ ꢅOꢏTꢂꢙꢚ  
ꢄ ꢅ ꢂ  
1.6  
1.ꢀ  
0.8  
0.ꢁ  
0
0
ꢀ0  
ꢁ0  
60  
80  
100  
Junction Temperature (°C)  
ꢀꢁꢂꢃꢄ ꢅꢆꢇꢈꢉꢊꢋ ꢌꢅꢍ  
16  
Rev. G 08/16  
www.power.com  
TOP221-227  
Typical Performance Characteristics (cont.)  
OUTPUT CHARACTERISTICS  
C
OSS  
vs. DRAIN VOLTAGE  
°
°
DRAIN Voltage (V)  
DRAIN Voltage (V)  
DRAIN CAPACITANCE POWER  
DRAIN Voltage (V)  
17  
Rev. G 08/16  
www.power.com  
TOP221-227  
Plastic TO-220/3  
J
mm  
DIM  
inches  
B
K
P
11.68-12.19  
10.16-10.54  
5.99-6.60  
6.10 - REF.  
13.21-14.22  
.71-.97  
A
B
C
D
E
F
.460-.480  
.400-.415  
.236-.260  
.240 - REF.  
.520-.560  
.028-.038  
.045-.055  
.090-.110  
.165-.185  
.045-.055  
.095-.115  
.015-.020  
.705-.715  
.146-.156  
.103-.113  
Notes:  
C
1. Package dimensions conform  
to JEDEC specification TO-220  
AB for standard flange  
mounted, peripheral lead  
package; .100 inch lead  
spacing (Plastic) 3 leads (issue  
J, March 1987).  
O
A
N
2. Controlling dimensions are  
inches.  
1.14-1.40  
2.29-2.79  
4.19-4.70  
1.14-1.40  
2.41-2.92  
.38-.51  
G
H
J
3. Pin numbers start with Pin 1,  
and continue from left to right  
when viewed from the top.  
4. Dimensions shown do not  
include mold flash or other  
protrusions. Mold flash or  
protrusions shall not exceed  
.006 (.15 mm) on any side.  
5. Position of terminals to be  
measured at a position .25  
(6.35 mm) from the body.  
6. All terminals are solder plated.  
7. Bent lead should be 12 mil  
max.  
L
D
K
L
E
M
N
O
P
17.91-18.16  
3.71-3.96  
2.62-2.87  
F
M
H
G
Y03A  
PI-1848-050602  
PDIP-8 (P Package)  
D S .004 (.10)  
DIM  
Inches  
mm  
8
5
-E-  
A
B
C
G
H
J1  
J2  
K
L
M
N
P
Q
0.356-0.387  
0.240-0.260  
0.125-0.145  
0.015-0.040  
0.118-0.140  
0.057-0.068  
0.014-0.022  
0.008-0.015  
0.100 BSC  
0.030 (MIN)  
0.300-0.320  
0.300-0.390  
0.300 BSC  
9.05-9.83  
6.10-6.60  
3.18-3.68  
0.38-1.02  
3.00-3.56  
1.45-1.73  
0.36-0.56  
0.20-0.38  
2.54 BSC  
0.76 (MIN)  
7.62-8.13  
7.62-9.91  
7.62 BSC  
B
1
4
A
-D-  
-F-  
M
J1  
N
Notes:  
1. Package dimensions conform to JEDEC  
C
specification MS-001-AB for standard dual in-line  
(DIP) package .300 inch row spacing (PLASTIC)  
8 leads (issue B, 7/85).  
2. Controlling dimensions are inches.  
3. Dimensions shown do not include mold flash  
or other protrusions. Mold flash or protrusions  
shall not exceed .006 (.15) on any side.  
4. D, E and F are reference datums on the molded  
body.  
H
K
G
Q
J2  
P08A  
L
P
PI-2076-081716  
18  
Rev. G 08/16  
www.power.com  
TOP221-227  
SMD-8 (G Package)  
D S .004 (.10)  
DIM  
Inches  
mm  
8
5
-E-  
A
B
C
G
H
J1  
J2  
J3  
J4  
K
L
M
P
0.356-0.387  
0.240-0.260  
0.125-0.145  
0.004-0.012  
0.036-0.044  
0.057-0.068  
0.048-0.053  
0.032-0.037  
0.007-0.011  
0.010-0.012  
0.100 BSC  
0.030 (MIN)  
0.372-0.388  
0-8°  
9.05-9.83  
6.10-6.60  
3.18-3.68  
0.10-0.30  
0.91-1.12  
1.45-1.73  
1.22-1.35  
0.81-0.94  
0.18-0.28  
0.25-0.30  
2.54 BSC  
0.76 (MIN)  
9.45-9.86  
0-8°  
.420  
P
B
.046  
.060 .046  
.060  
.080  
Pin 1  
1
4
L
.086  
.186  
.286  
α
A
-D-  
-F-  
Solder Pad Dimensions  
M
J1  
Notes:  
1. Package dimensions conform to JEDEC  
specification MS-001-AB (issue B, 7/85)  
except for lead shape and size.  
2. Controlling dimensions are inches.  
3. Dimensions shown do not include mold  
flash or other protrusions. Mold flash or  
protrusions shall not exceed .006 (.15) on  
any side.  
C
K
.004 (.10)  
H
J3  
J4  
.010 (.25) M A S  
α
G
4. D, E and F are reference datums on the  
molded body.  
G08A  
J2  
PI-2077-081716  
Part Ordering Information  
• TOPSwitch Product Family  
• II Series Number  
• Package Identifier  
G
P
Y
Plastic SMD-8  
Plastic DIP-8  
Plastic TO-220/3  
• Lead Finish  
N
Lead Free  
• Tape & Reel and Other Options  
Blank  
TL  
Standard Configurations  
Tape & Reel, 1000 pcs minimum, G Package only  
TOP 222  
G N TL  
19  
Rev. G 08/16  
www.power.com  
TOP221-227  
Revision Notes  
Date  
C
-
12/97  
Updated package references, corrected spelling, storage temperature and 0JC and updated nomenclature in param-  
eter table. Added G package references to Self-Protection Current Limit parameter. Corrected font sizes in figures.  
D
07/01  
E
F
Updated with new Brand Style.  
07/15  
10/15  
08/16  
Updated part numbers with the "N" suffix. Added Y, P and G package drawings.  
Updated PDIP-8 (P Package) and SMD-8 (G Package) per PCN-16232.  
G
For the latest updates, visit our website: www.power.com  
Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations  
does not assume any liability arising from the use of any device or circuit described herein. POWER INTEGRATIONS MAKES NO WARRANTY  
HEREIN AND SPECIFICALLY DISCLAIMS ALL WARRANTIES INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF  
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS.  
Patent Information  
The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one  
or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of  
Power Integrations patents may be found at www.power.com. Power Integrations grants its customers a license under certain patent rights as set  
forth at http://www.power.com/ip.htm.  
Life Support Policy  
POWER INTEGRATIONS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR  
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF POWER INTEGRATIONS. As used herein:  
1. A Life support device or system is one which, (i) is intended for surgical implant into the body, or (ii) supports or sustains life, and (iii)  
whose failure to perform, when properly used in accordance with instructions for use, can be reasonably expected to result in significant injury  
or death to the user.  
2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the  
failure of the life support device or system, or to affect its safety or effectiveness.  
The PI logo, TOPSwitch, TinySwitch, SENZero, SCALE-iDriver, Qspeed, PeakSwitch, LYTSwitch, LinkZero, LinkSwitch, InnoSwitch, HiperTFS,  
HiperPFS, HiperLCS, DPA-Switch, CAPZero, Clampless, EcoSmart, E-Shield, Filterfuse, FluxLink, StakFET, PI Expert and PI FACTS are trademarks of  
Power Integrations, Inc. Other trademarks are property of their respective companies. ©2016, Power Integrations, Inc.  
Power Integrations Worldwide Sales Support Locations  
World Headquarters  
5245 Hellyer Avenue  
San Jose, CA 95138, USA.  
Main: +1-408-414-9200  
Customer Service:  
Phone: +1-408-414-9665  
Fax: +1-408-414-9765  
e-mail: usasales@power.com  
Germany  
Lindwurmstrasse 114  
80337 Munich  
Japan  
Kosei Dai-3 Bldg.  
2-12-11, Shin-Yokohama,  
Kohoku-ku  
Yokohama-shi Kanagawa  
222-0033 Japan  
Phone: +81-45-471-1021  
Fax: +81-45-471-3717  
e-mail: japansales@power.com  
Taiwan  
5F, No. 318, Nei Hu Rd., Sec. 1  
Nei Hu Dist.  
Taipei 11493, Taiwan R.O.C.  
Phone: +886-2-2659-4570  
Fax: +886-2-2659-4550  
e-mail: taiwansales@power.com  
Germany  
Phone: +49-895-527-39110  
Fax: +49-895-527-39200  
e-mail: eurosales@power.com  
India  
UK  
China (Shanghai)  
Rm 1601/1610, Tower 1,  
Kerry Everbright City  
No. 218 Tianmu Road West,  
Shanghai, P.R.C. 200070  
Phone: +86-21-6354-6323  
Fax: +86-21-6354-6325  
e-mail: chinasales@power.com  
#1, 14th Main Road  
Vasanthanagar  
Bangalore-560052 India  
Phone: +91-80-4113-8020  
Fax: +91-80-4113-8023  
e-mail: indiasales@power.com  
Cambridge Semiconductor,  
a Power Integrations company  
Westbrook Centre, Block 5, 2nd Floor  
Korea  
RM 602, 6FL  
Korea City Air Terminal B/D, 159-6 Milton Road  
Samsung-Dong, Kangnam-Gu,  
Seoul, 135-728, Korea  
Phone: +82-2-2016-6610  
Fax: +82-2-2016-6630  
Cambridge CB4 1YG  
Phone: +44 (0) 1223-446483  
e-mail: eurosales@power.com  
Italy  
Via Milanese 20, 3rd. Fl.  
20099 Sesto San Giovanni  
(MI) Italy  
e-mail: koreasales@power.com  
China (Shenzhen)  
17/F, Hivac Building, No. 2,  
Keji Nan 8th Road, Nanshan  
Singapore  
51 Newton Road  
Phone: +39-024-550-8701  
District, Shenzhen, China, 518057 Fax: +39-028-928-6009  
#19-01/05 Goldhill Plaza  
Singapore, 308900  
Phone: +65-6358-2160  
Fax: +65-6358-2015  
e-mail: singaporesales@power.com  
Phone: +86-755-8672-8689  
Fax: +86-755-8672-8690  
e-mail: eurosales@power.com  
e-mail: chinasales@power.com  
20  
Rev. G 08/16  
www.power.com  
配单直通车
TOP223YN产品参数
型号:TOP223YN
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Not Recommended
IHS 制造商:POWER INTEGRATIONS INC
零件包装代码:SFM
包装说明:,
针数:3
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.39.00.01
Factory Lead Time:14 weeks
风险等级:7.78
模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION
JESD-30 代码:R-PSFM-T3
JESD-609代码:e3
功能数量:1
端子数量:3
最高工作温度:125 °C
最低工作温度:-40 °C
最大输出电流:1.1 A
封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR
封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified
表面贴装:NO
切换器配置:BOOST
最大切换频率:110 kHz
技术:CMOS
温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE
端子位置:SINGLE
处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1
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