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  • SPX2815AT-3.3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
  • SPX2815AT-3.3 优势库存
  • 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
  • SPX2815AT图
  • 集好芯城

     该会员已使用本站13年以上
  • SPX2815AT
  • 数量18036 
  • 厂家SIPEX 
  • 封装SOP 
  • 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
  • SPX2815AT-33图
  • 北京首天国际有限公司

     该会员已使用本站16年以上
  • SPX2815AT-33
  • 数量10 
  • 厂家 
  • 封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 010-62565447 QQ:528164397QQ:1318502189
  • SPX2815AT-L-2.5/TR图
  • 齐创科技(上海北京青岛)有限公司

     该会员已使用本站14年以上
  • SPX2815AT-L-2.5/TR
  • 数量21000 
  • 厂家SIPEX 
  • 封装标准封装 
  • 批号24+热销 
  • 【优势库存】专业代理全新现货特价热卖
  • QQ:2394092314QQ:2394092314 复制
    QQ:792179102QQ:792179102 复制
  • 021-62153656 QQ:2394092314QQ:792179102
  • SPX2815AT-L-2-5图
  • 北京首天国际有限公司

     该会员已使用本站16年以上
  • SPX2815AT-L-2-5
  • 数量46800 
  • 厂家SIPEX 
  • 封装原厂封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 010-62565447 QQ:528164397QQ:1318502189
  • SPX2815AT图
  • 北京齐天芯科技有限公司

     该会员已使用本站15年以上
  • SPX2815AT
  • 数量10000 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号2024+ 
  • 原装正品,假一罚十
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 010-62104931 QQ:2880824479QQ:1344056792
  • SPX2815AT图
  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • SPX2815AT
  • 数量22598 
  • 厂家SIPEX 
  • 封装TO-263-3L 
  • 批号2023+ 
  • 绝对原装正品全新深圳进口现货,优质渠道供应商!
  • QQ:1002316308QQ:1002316308 复制
    QQ:515102657QQ:515102657 复制
  • 美驻深办0755-83777708“进口原装正品专供” QQ:1002316308QQ:515102657
  • SPX2815AT-L-3-3/TR图
  • 北京齐天芯科技有限公司

     该会员已使用本站15年以上
  • SPX2815AT-L-3-3/TR
  • 数量10000 
  • 厂家SIPEX 
  • 封装NA 
  • 批号2024+ 
  • 原装正品,假一罚十
  • QQ:2880824479QQ:2880824479 复制
    QQ:1344056792QQ:1344056792 复制
  • 010-62104931 QQ:2880824479QQ:1344056792
  • SPX2815AT-1.5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
  • SPX2815AT-1.5
  • 数量5000 
  • 厂家SIPEX 
  • 封装TO-263 
  • 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
  • SPX2815AT-L-5-0图
  • 北京中其伟业科技有限公司

     该会员已使用本站16年以上
  • SPX2815AT-L-5-0
  • 数量2000 
  • 厂家SP 
  • 封装 
  • 批号16+ 
  • 特价,原装正品,绝对公司现货库存,原装特价!
  • QQ:2880824479QQ:2880824479 复制
  • 010-62104891 QQ:2880824479
  • SPX2815AT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
  • SPX2815AT
  • 数量27779 
  • 厂家SIPEX 
  • 封装SOT263 
  • 批号2020+ 
  • 绝对全新原装进口现货热卖,价格优势
  • QQ:1327510916QQ:1327510916 复制
    QQ:1220223788QQ:1220223788 复制
  • 0755-28767101 QQ:1327510916QQ:1220223788
  • SPX2815AT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
  • SPX2815AT
  • 数量650 
  • 厂家SIPEX 
  • 封装TO263 
  • 批号21+ 
  • 羿芯诚只做原装 原厂渠道 价格优势
  • QQ:2881498351QQ:2881498351 复制
  • 0755-22968581 QQ:2881498351
  • SPX2815AT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
  • SPX2815AT
  • 数量16276 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号2017+ 
  • 诚信经营,特价出售
  • QQ:382716594QQ:382716594 复制
    QQ:351622092QQ:351622092 复制
  • 0755-82532799 QQ:382716594QQ:351622092
  • SPX2815AT-L图
  • 深圳市诚达吉电子有限公司

     该会员已使用本站2年以上
  • SPX2815AT-L
  • 数量14440 
  • 厂家EXAR/艾科嘉 
  • 封装TO263 
  • 批号2024+ 
  • 原装正品 一手现货 假一赔百
  • QQ:2881951980QQ:2881951980 复制
  • 15873513267 QQ:2881951980
  • SPX2815AT-L-3-3/T...图
  • 万三科技(深圳)有限公司

     该会员已使用本站2年以上
  • SPX2815AT-L-3-3/T...
  • 数量6500000 
  • 厂家MAXLINEAR 
  • 封装原厂原装 
  • 批号22+ 
  • 万三科技 秉承原装 实单可议
  • QQ:3008961396QQ:3008961396 复制
  • 0755-21008751 QQ:3008961396
  • SPX2815AT-2.5/TRAS2815AT-2.5图
  • 深圳市励创源科技有限公司

     该会员已使用本站2年以上
  • SPX2815AT-2.5/TRAS2815AT-2.5
  • 数量35600 
  • 厂家Sipex 
  • 封装TO-263 
  • 批号21+ 
  • 诚信经营,原装现货,假一赔十,欢迎咨询15323859243
  • QQ:815442201QQ:815442201 复制
    QQ:483601579QQ:483601579 复制
  • -0755-82711370 QQ:815442201QQ:483601579
  • SPX2815AT图
  • 北京睿科新创电子中心

     该会员已使用本站9年以上
  • SPX2815AT
  • 数量1790 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号2021+ 
  • 全新原装进口
  • QQ:765972029QQ:765972029 复制
    QQ:744742559QQ:744742559 复制
  • 010-62556580 QQ:765972029QQ:744742559
  • SPX2815AT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
  • SPX2815AT
  • 数量19000 
  • 厂家SIPEX 
  • 封装NA/ 
  • 批号23+ 
  • 优势代理渠道,原装正品,可全系列订货开增值税票
  • QQ:3007977934QQ:3007977934 复制
    QQ:3007947087QQ:3007947087 复制
  • 0755-82546830 QQ:3007977934QQ:3007947087
  • SPX2815AT-L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
  • SPX2815AT-L
  • 数量5000 
  • 厂家Exar 
  • 封装贴/插片 
  • 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
  • SPX2815AT-L图
  • 深圳市斌腾达科技有限公司

     该会员已使用本站9年以上
  • SPX2815AT-L
  • 数量250 
  • 厂家Exar Corporation 
  • 封装TO-263 
  • 批号18+ 
  • 100%进口原装!长期供应!绝对优势价格(诚信经营
  • QQ:2881704051QQ:2881704051 复制
    QQ:2881704535QQ:2881704535 复制
  • 0755-82815082 QQ:2881704051QQ:2881704535
  • SPX2815AT-ADJ图
  • 深圳市亿智腾科技有限公司

     该会员已使用本站8年以上
  • SPX2815AT-ADJ
  • 数量16680 
  • 厂家SIPEX 
  • 封装TO-263 
  • 批号16+ 
  • 假一赔十★全新原装现货★★特价供应★工厂客户可放款
  • QQ:799387964QQ:799387964 复制
    QQ:2777237833QQ:2777237833 复制
  • 0755-82566711 QQ:799387964QQ:2777237833
  • SPX2815AT图
  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • SPX2815AT
  • 数量22598 
  • 厂家SIPEX 
  • 封装TO-263-3L 
  • 批号2023+ 
  • 绝对原装正品全新进口深圳现货
  • QQ:1002316308QQ:1002316308 复制
    QQ:515102657QQ:515102657 复制
  • 深圳分公司0755-83777708“进口原装正品专供” QQ:1002316308QQ:515102657
  • SPX2815AT图
  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • SPX2815AT
  • 数量22598 
  • 厂家SIPEX 
  • 封装TO-263-3L 
  • 批号2023+ 
  • 绝对原装正品全新进口深圳现货
  • QQ:364510898QQ:364510898 复制
    QQ:515102657QQ:515102657 复制
  • 0755-83777708“进口原装正品专供” QQ:364510898QQ:515102657
  • SPX2815AT图
  • 深圳市晶美隆科技有限公司

     该会员已使用本站15年以上
  • SPX2815AT
  • 数量26800 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号24+ 
  • 假一罚十,原装进口正品现货供应,价格优势。
  • QQ:198857245QQ:198857245 复制
  • 0755-82865294 QQ:198857245
  • SPX2815AT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
  • SPX2815AT
  • 数量3500 
  • 厂家Sipex 
  • 封装SIP3 
  • 批号25+ 
  • 全新原装现货特价销售!
  • QQ:867789136QQ:867789136 复制
    QQ:1245773710QQ:1245773710 复制
  • 0755-82723761 QQ:867789136QQ:1245773710
  • SPX2815AT-L图
  • 首天国际(深圳)科技有限公司

     该会员已使用本站16年以上
  • SPX2815AT-L
  • 数量5000 
  • 厂家Exar 
  • 封装标准封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 0755-82807802 QQ:528164397QQ:1318502189
  • SPX2815AT图
  • 深圳市赛尔通科技有限公司

     该会员已使用本站12年以上
  • SPX2815AT
  • 数量26540 
  • 厂家SIPEX 
  • 封装N/K 
  • 批号NEW 
  • █★全新原装现货 可开17%增值税票
  • QQ:1134344845QQ:1134344845 复制
    QQ:847984313QQ:847984313 复制
  • 86-0755-83536093 QQ:1134344845QQ:847984313
  • SPX2815AT图
  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • SPX2815AT
  • 数量3200 
  • 厂家SIPEX 
  • 封装SOT263 
  • 批号25+ 
  • 全新原装公司现货库存!
  • QQ:867789136QQ:867789136 复制
    QQ:1245773710QQ:1245773710 复制
  • 0755-82772189 QQ:867789136QQ:1245773710
  • SPX2815AT图
  • 深圳市瑞天芯科技有限公司

     该会员已使用本站7年以上
  • SPX2815AT
  • 数量20000 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号22+ 
  • 深圳现货库存,保证原装正品
  • QQ:1940213521QQ:1940213521 复制
  • 15973558688 QQ:1940213521
  • SPX2815AT图
  • 深圳市雅维特电子有限公司

     该会员已使用本站15年以上
  • SPX2815AT
  • 数量20000 
  • 厂家SIPEX 
  • 封装深圳原装现货0755-83975781 
  • 批号N/A 
  • QQ:767621813QQ:767621813 复制
    QQ:541766577QQ:541766577 复制
  • 0755-83975781 QQ:767621813QQ:541766577
  • SPX2815AT-2.5图
  • 首天国际(深圳)集团有限公司

     该会员已使用本站17年以上
  • SPX2815AT-2.5
  • 数量15000 
  • 厂家SIPEX 
  • 封装TO263-3 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 0755-82807088 QQ:528164397QQ:1318502189
  • SPX2815AT图
  • 深圳市宏世佳电子科技有限公司

     该会员已使用本站13年以上
  • SPX2815AT
  • 数量4675 
  • 厂家SIPEX 
  • 封装TO-264 
  • 批号2023+ 
  • 全新原厂原装产品、公司现货销售
  • QQ:2881894392QQ:2881894392 复制
    QQ:2881894393QQ:2881894393 复制
  • 0755- QQ:2881894392QQ:2881894393

产品型号SPX2815AT的概述

芯片SPX2815AT的概述 SPX2815AT是一款高性能的线性稳压器,广泛应用于各种电子设备的电源管理中。它的设计旨在提供稳定的输出电压,同时具备低功耗和高效率特点,适合多个电源方案的需求。SPX2815AT能够提供高达1A的输出电流,并具有更低的噪声特性,使其在信号处理、数据采集及其他对电压稳定性要求较高的应用中表现优越。 SPX2815AT采用了多种保护机制,包括过流保护、过热保护和欠压锁定等,这些功能不仅提高了使用的安全性,也保证了芯片的长期稳定性。它的输入电压范围为2.5V至15V,兼容性强,可以用于多种不同的电源系统中。该芯片支持多种输出电压选择,通常在1.5V、3.3V或5V之间,以满足不同的应用需求。 芯片SPX2815AT的详细参数 #### 电气特性 - 输入电压范围:2.5V - 15V - 输出电流:最大1A - 静态电流:通常为0.1mA,最大值为5mA -...

产品型号SPX2815AT的Datasheet PDF文件预览

®
SPX2815  
1.5A Low DropoutVoltage Regulator  
APPLICATIONS  
FEATURES  
Desktop PC's Servers  
Powering VGA and Sound Cards  
Cordless Phones  
Guaranteed 1.5A Output Current  
Three Terminal Adjustable or Fixed  
2.5V, 3.3V and 5.0V  
Low Quiescent Current  
Battery Chargers  
Low Dropout Voltage of 1.1V at 1.5A  
0.1% Line and 0.1% Load Regulation  
Stable with 10uF Ceramic Capacitor  
Overcurrent and Thermal Protection  
Available Packages: TO-252,  
TO-220, and TO-263  
Adjustable Power Supplies  
Portable Instrumentation  
SMPS Post-Regulator  
Constant Current Regulators  
Disk Drives  
Similar to Industry Standard LT1086/  
Refer to Page 5 for Pinouts  
LT1586  
DESCRIPTION  
The SPX2815 is a low power positive-voltage regulator designed to satisfy moderate power  
requirements with a cost effective, small footprint solution. This device is an excellent choice for  
use in battery-powered applications and portable computers. The SPX2815 features very low  
quiescent current and a low dropout voltage of 1.1V at a full load. As output current decreases,  
quiescent current flows into the load, increasing efficiency. SPX2815 is available in adjustable  
or fixed 2.5V, 3.3V and 5.0V output voltages.  
TheSPX2815isofferedinseveral3-pinsurfacemountpackages:TO-252,TO-220andTO-263.  
An output capacitor of 10µF ceramic or tantalum provides unconditional stability.  
FUNCTIONAL DIAGRAM (Adjustable)  
V
IN  
+
-
Current Limit  
V
OUT  
ICL  
_
AMP  
+
1.25V  
V
REF  
+
Thermal Limit  
ADJ/GND  
~
IADJ 50µA  
I TL  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
1
ABSOLUTE MAXIMUM RATINGS  
Operating Junction Temperature Range.....-40°C to +125°C  
Input Supply Voltage .................................................... +10V  
Input to Output Voltage ................................................ +8.8V  
ESD Rating .............................................................. 2kV min  
Power Dissipation.......................................Internally Limited  
Lead Temperature (soldering, 5 seconds) ...............260°C  
Storage Temperature Range.......................-65°C to +150°C  
ELECTRICAL CHARACTERISTICS  
at VIN=VOUT + 1.5V, TA = 25°C, CIN = COUT = 10µF, IOUT =10mA, unless otherwise specified. The Boldface applies over the  
full operating temperature range.  
PARAMETER  
MIN  
TYP  
MAX MIN  
TYP  
MAX  
UNITS  
CONDITIONS  
2.5V Version  
SPX2815A  
SPX2815  
Output Voltage  
2.475 2.500  
2.525 2.450 2.500  
2.550  
V
IOUT = 10mA, VIN =4.5V  
2.450  
2.550 2.425  
2.575  
10mA IOUT 3A, 4.25V VIN 10V  
3.30V Version  
Output Voltage  
3.267 3.300  
3.234  
3.333 3.234 3.300  
3.366 3.201  
3.366  
3.399  
V
V
IOUT = 10mA, VIN =5V  
10mA IOUT 3A, 4.75V VIN 10V  
5.0V Version  
Output Voltage  
4.950 5.000  
5.050 4.900 5.000  
5.100  
IOUT=10mA, VIN=7V  
4.900  
5.100 4.850  
5.150  
10mA IOUT 3A, 6.50V VIN 10V  
All Voltage Options  
Reference Voltage  
1.238 1.250  
1.262 1.225 1.250  
1.275  
V
IOUT=10mA, (VIN - VOUT )= 2V  
1.225  
1.275 1.212  
1.287  
10mAIOUT3A, 1.5V(VIN-VOUT)10V  
Output Voltage  
Temperature Stability  
0.3  
0.5  
%
%
Line Regulation  
0.1  
0.1  
0.1  
0.2  
0.2  
0.2  
0.1  
0.1  
0.1  
0.2  
0.2  
0.2  
4.25VVIN10V,VOUT=2.5V,IOUT=10mA  
4.75VVIN10V,VOUT=3.3V,IOUT=10mA  
6.50VVIN10V,VOUT=5.0V,IOUT=10mA  
Load Regulation  
0.1  
0.1  
0.1  
0.3  
0.3  
0.3  
0.1  
0.1  
0.1  
0.3  
0.3  
0.3  
%
V
10mAIOUT1.5A, VOUT=2.5V  
10mAIOUT1.5A, VOUT=3.3V  
10mAIOUT1.5A, VOUT=5.0V  
Dropout Voltage  
(Note 2)  
1.00  
1.10  
1.00  
1.10  
IOUT=0.5A  
IOUT=1.5A  
1.2  
10  
1.2  
10  
Quiescent Current  
Adjust Pin Current  
Current Limit  
4
50  
4
mA  
µA  
A
Fixed voltage versions  
120  
50  
120  
2.5  
2.5  
60  
(VIN-VOUT)=5V  
Thermal Regulation  
Ripple Rejection  
0.01  
0.1  
0.01  
75  
0.1  
%/W  
dB  
25°C, 30mS pulse  
60  
75  
fRIPPLE=120Hz, (VIN-VOUT)=2V,  
VRIPPLE=1VPP  
Long Term Stability  
RMS Output Noise  
0.03  
0.03  
%
%
125°C, 1000Hrs  
0.003  
0.003  
% of VOUT, 10Hzf10kHz  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
2
TYPICAL PERFORMANCE CHARACTERISTICS  
1.275  
1.27  
3.325  
3.320  
3.315  
3.310  
3.305  
3.300  
1.265  
1.26  
1.255  
1.25v Adj  
1.25  
1.245  
1.24  
1.235  
1.23  
1.225  
4.5  
6.5  
8.5  
10.5  
12.5  
14.5  
-50  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
Vin (V)  
Temp (C)  
Figure 1. Line Regulation for SPX2815U-3.3; IOUT=10mA  
Figure 2. VOUT vs Temperature, VIN=2.5V, IOUT=10mA  
3.38  
2.55  
2.54  
2.53  
2.52  
2.51  
2.5  
2.5v Adj  
3.3v Adj  
3.3v Fixed  
3.36  
3.34  
2.5v Fixed  
3.32  
3.3  
2.49  
2.48  
2.47  
2.46  
2.45  
3.28  
3.26  
-50  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
-50  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
Temp (C)  
Temp (C)  
Figure 3. VIN=4.0V, IOUT=10mA  
Figure 4. VIN=5.0V, IOUT=10mA  
APPLICATION INFORMATION  
Output Capacitor  
continuous load conditions such that the maxi-  
mum junction temperature does not exceed  
125°C.Thermalprotectionisactivatedat>179°C  
and deactiviated at <165 °C.  
To ensure the stability of the SPX2815, an  
output capacitor of at least 10µF (ceramic or  
tantalum) or 22µF (aluminum) is required. The  
value may change based on the application  
requirements of the output load or temperature  
range. The value of ESR can vary based on the  
type of capacitor used in the applications to  
guarantee stability. The recommended value  
for ESR is 0.5or less. A larger value of output  
capacitance (up to 100µF) can improve the load  
transient response.  
The thermal interaction from other components  
in the application can effect the thermal resis-  
tance of the SPX2815. The actual thermal  
resistance can be determined with experimenta-  
tion.  
SPX2815 power dissipation is calculated as  
follows:  
PD = (VIN - VOUT)(IOUT  
)
Soldering Methods  
Maximum Junction Temperature range:  
TJ = TA(max) + PD* thermal resistance  
(junction-to-ambient)  
TheSPX2815dieisattachedtotheheatsinklead  
whichexitsoppositetheinput,output,andground  
pins.  
Maximum junction temperature must not ex-  
Thermal Characteristics  
ceed the 125°C.  
The SPX2815 features the internal thermal lim-  
iting to protect the device during overload con-  
ditions. Special care needs to be taken during  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
3
APPLICATION INFORMATION: Continued  
Ripple Rejection  
Ripple rejection for the adjustable version is  
shown in Figure 5.  
Ripple rejection can be improved by adding a  
capacitor between the ADJ pin and ground as  
shown in Figure 8. When ADJ pin bypassing  
is used, the value of the output capacitor  
required increases to its maximum. If the ADJ  
pin is not bypassed, the value of the output  
capacitor can be lowered to 22µF for an  
electrolytic aluminum capacitor or 10µF for a  
solid tantalum capacitor (Fig 7).  
Output Voltage  
The output of the adjustable regulator can be  
set to any voltage between 1.25V and 15V.  
The value of VOUT can be quickly approxi-  
mated using the formula  
VOUT=1.25 *(R1 + R2)/R1  
However the value of the ADJ-bypass capaci-  
tor should be chosen with respect to the  
following equation:  
A small correction to this formula is required  
depending on the values of resistors R1 and R2,  
since the adjustable pin current (approx  
50µA) flows through R2. When IADJ is taken  
into account, the formula becomes  
C = 1 / ( 6.28 * FR * R1 )  
Where  
C = value of the capacitor in Farads  
(select an equal or larger standard value),  
FR = ripple frequency in Hz,  
R1 = value of resistor R1 in Ohms.  
VOUT = VREF(1+ (R2/R1)) + IADJ * R2  
where  
VREF=1.25V  
If an ADJ-bypass capacitor is used, the  
amplitude of the output ripple will be indepen-  
dent of the output voltage. If an ADJ-bypass  
capacitor is not used, the output ripple will be  
proportional to the ratio of the output voltage  
to the reference voltage:  
Layout Considerations  
Parasitic line resistance can degrade load  
regulation. In order to avoid this, connect R1  
directly to VOUT as illustrated in Figure 13.  
For the same reason, R2 should be connected  
to the negative side of the load.  
M = VOUT / VREF  
Where M = multiplier for the ripple seen when  
the ADJ pin is optimally bypassed.  
VREF =1.25V  
0
-10  
-20  
-30  
-40  
-50  
-60  
-70  
-80  
-90  
V IN  
SPX2815  
VOUT  
IN  
OUT  
+
4.7µF  
C1  
C 2  
ADJ  
R1  
IOUT  
VREF  
R1  
LOAD  
IOUT  
=
10  
100  
1000  
10000  
100000  
1000000  
Frequency, Hz  
Figure 6. Current Source  
Figure 5. Ripple Rejection; Vin=3.3V, Vout=1.8V (adj.),  
Iload=200mA  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
4
APPLICATION INFORMATION: Continued  
SPX2815  
(Note A)  
V IN  
5V  
IN  
OUT  
VOUT  
+
VIN  
VOUT  
SPX2815  
4.7µF  
OUT  
ADJ  
IN  
R1  
+
C2  
C1  
330Ω  
1%  
4.7µF  
VREF  
R1  
R2  
ADJ  
IADJ  
50µA  
10µF  
R2  
1k,  
+
C1  
10µF*  
*C 1 improves ripple rejection.  
VOUT = V  
) +I  
ADJ R 2  
REF (1+R 2 /R1  
1%  
Z
C should be ~ R1 at ripple frequency  
OUT ) + (V DROPOUT (MAX)  
= (Intended V  
)
Note A:  
V
IN(MIN)  
Figure 7. Typical Adjustable Regulator  
Figure 8. Improving Ripple Rejection  
R
P Parasitic Line  
Resistance  
SPX2815  
VIN  
OUT  
5V  
IN  
VIN  
VOUT  
SPX2815  
(Note A)  
330W  
1%  
ADJ  
+
ADJ  
+
4.7µF  
10µF  
to  
Connect R  
1K  
R 1  
TTL  
Case of Regulator  
2N3904  
Input  
1k  
1%  
Connect R2  
to Load  
1k  
R L  
R 2  
Note A:  
V
IN(MIN) = (Intended VOUT ) + (V  
)
DROPOUT (MAX)  
Figure 9. 5V Regulator with Shutdown  
Figure 10. Recommended Connections for Best Results  
PINOUTS  
TO-220-3 (U)  
TO-263-3 (T)  
TO-252 (R)  
1
2
3
2
1
3
1
2
3
ADJ/GND  
V
VIN  
OUT  
ADJ/GND  
VOUT  
VIN  
Front View  
Top View  
ADJ/GND  
VOUT  
VIN  
Front View  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
5
PACKAGE: 3 PIN TO-263  
SEATING PLANE  
A
E
E/2  
C2  
L1  
D
H
1
2
3
B
B
c
e
See View C  
b
b2  
SEATING  
PLANE  
GAUGE PLANE  
0º-8º  
A1  
L
3-PIN TO-263  
JEDEC TO-263  
(AA) Variation  
Dimensions in inches  
MIN NOM MAX  
View C  
A
A1  
b
.160  
.000  
-
.190  
.010  
-
.020  
.015  
.330  
-
.039  
.029  
.380  
b
c
-
-
D
WITH PLATING  
c
D1  
E
.270  
-
-
.420  
-
.380  
.245  
-
E1  
-
e
.100 BSC  
.625  
H
.575  
-
BASE METAL  
SECTION B-B  
L
.070  
-
.110  
.066  
.070  
L1  
L2  
L3  
-
-
-
-
.010 BSC  
3 PIN TO-263  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
6
PACKAGE: 3 PIN TO-220  
A
E
B
E/2  
E2  
SEATING  
PLANE  
A
øP  
Q
A1  
H1  
D
D1  
CHAMFER  
OPTIONAL  
L1  
1
D
D
C
C
L
b
A
e
C
e1  
A2  
3 PIN TO-220  
JEDEC TO-220  
(AB) Variation  
Dimensions in  
(mm)  
MIN NOM MAX  
b
A
.140  
.020  
-
-
.190  
.055  
A1  
A2  
b
WITH PLATING  
c
.080  
-
.115  
.015 .027 .040  
b2  
c
.045  
.014  
.560  
-
.070  
.024  
.650  
-
-
D
D1  
.330  
.480  
.380  
.270  
-
-
-
-
-
.355  
.507  
.420  
.350  
BASE METAL  
CONTACT AREA  
D2  
E
E1  
E2  
e
-
.030  
.100 BSC  
.200 BSC  
e1  
.230  
-
.270  
.250  
H1  
L1  
-
-
3 PIN TO-220  
-
-
-
L2  
.139  
.100  
-
.161  
.135  
P  
Q
-
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
7
PACKAGE: 3 PIN TO-252  
GAUGE PLANE  
c
C
SEATING PLANE  
c
L
A1  
L2  
O
(L1)  
b
E1  
WITH PLATING  
E1/2  
c
D1  
BASE METAL  
CONTACT AREA  
3 PIN TO-252  
JEDEC TO-252  
(AA) Variation  
Dimensions in inches  
MIN NOM MAX  
-
-
.005  
.024  
A1  
c
.018  
-
-
.205  
.170  
-
-
D1  
E1  
H
-
.370  
-
.410  
.070  
.055 .060  
.108 REF  
.020 BSC  
L
L1  
3 PIN TO-252  
L2  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
8
ORDERING INFORMATION  
PART NUMBERS  
ACC.  
TOP MARK  
OUTPUT VOLTAGE  
PACKAGE  
SPX2815AR ............................. 1% .......... SPX2815ARYYWW..............Adj.................. 3 lead TO-252  
SPX2815AR/TR ....................... 1% .......... SPX2815ARYYWW..............Adj.................. 3 lead TO-252  
SPX2815AR-2.5....................... 1% .......... SPX2815AR25YYWW...........Adj ................. 3 lead TO-252  
SPX2815AR-2.5/TR ................. 1% .......... SPX2815AR25YYWW...........Adj ................. 3 lead TO-252  
SPX2815AR-3.3....................... 1% .......... SPX2815AR33YYWW...........Adj ................. 3 lead TO-252  
SPX2815AR-3.3/TR ................. 1% .......... SPX2815AR33YYWW...........Adj ................. 3 lead TO-252  
SPX2815AR-5.0....................... 1% .......... SPX2815AR50YYWW...........Adj ................. 3 lead TO-252  
SPX2815AR-5.0/TR ................. 1% .......... SPX2815AR50YYWW...........Adj ................. 3 lead TO-252  
SPX2815AT ............................. 1% ........... SPX2815ATYYWW..............Adj .................. 3 lead TO-263  
SPX2815AT/TR ....................... 1% ........... SPX2815ATYYWW..............Adj .................. 3 lead TO-263  
SPX2815AT-2.5 ....................... 1% .......... SPX2815AT25YYWW...........Adj ................. 3 lead TO-263  
SPX2815AT-2.5/TR ................. 1% .......... SPX2815AT25YYWW...........Adj ................. 3 lead TO-263  
SPX2815AT-3.3 ....................... 1% .......... SPX2815AT33YYWW...........Adj ................. 3 lead TO-263  
SPX2815AT-3.3/TR ................. 1% .......... SPX2815AT33YYWW...........Adj ................. 3 lead TO-263  
SPX2815AT-5.0 ....................... 1% .......... SPX2815AT50YYWW...........Adj ................. 3 lead TO-263  
SPX2815AT-5.0/TR ................. 1% .......... SPX2815AT50YYWW...........Adj ................. 3 lead TO-263  
SPX2815AU ............................. 1% .......... SPX2815AUYYWW..............Adj.................. 3 lead TO-220  
SPX2815AU-2.5....................... 1% .......... SPX2815AU25YYWW...........Adj ................. 3 lead TO-220  
SPX2815AU-3.3....................... 1% .......... SPX2815AU33YYWW...........Adj ................. 3 lead TO-220  
SPX2815AU-5.0....................... 1% .......... SPX2815AU50YYWW...........Adj ................. 3 lead TO-220  
/TR = Tape and Reel  
Pack quantity is 500 for TO-263 and 2,000 for  
TO-252.  
Corporation  
ANALOG EXCELLENCE  
Sipex Corporation  
Headquarters and  
Sales Office  
233 South Hillview Drive  
Milpitas, CA 95035  
TEL: (408) 934-7500  
FAX: (408) 935-7600  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
9
ORDERING INFORMATION  
PART NUMBERS  
ACC.  
TOP MARK  
OUTPUT VOLTAGE  
PACKAGE  
SPX2815R ............................... 2% ............ SPX2815RYYWW..............Adj ................... 3 lead TO-252  
SPX2815R/TR ......................... 2% ............ SPX2815RYYWW..............Adj ................... 3 lead TO-252  
SPX2815R-2.5 ......................... 2% ........... SPX2815R25YYWW...........Adj .................. 3 lead TO-252  
SPX2815R-2.5/TR ................... 2% ........... SPX2815R25YYWW...........Adj .................. 3 lead TO-252  
SPX2815R-3.3 ......................... 2% ........... SPX2815R33YYWW...........Adj .................. 3 lead TO-252  
SPX2815R-3.3/TR ................... 2% ........... SPX2815R33YYWW...........Adj .................. 3 lead TO-252  
SPX2815R-5.0 ......................... 2% ........... SPX2815R50YYWW...........Adj .................. 3 lead TO-252  
SPX2815R-5.0/TR ................... 2% ........... SPX2815R50YYWW...........Adj .................. 3 lead TO-252  
SPX2815T................................ 2% ............ SPX2815TYYWW..............Adj ................... 3 lead TO-263  
SPX2815T/TR .......................... 2% ............ SPX2815TYYWW..............Adj ................... 3 lead TO-263  
SPX2815T-2.5 ......................... 2% ........... SPX2815T25YYWW...........Adj .................. 3 lead TO-263  
SPX2815T-2.5/TR.................... 2% ........... SPX2815T25YYWW...........Adj .................. 3 lead TO-263  
SPX2815T-3.3 ......................... 2% ........... SPX2815T33YYWW...........Adj .................. 3 lead TO-263  
SPX2815T-3.3/TR.................... 2% ........... SPX2815T33YYWW...........Adj .................. 3 lead TO-263  
SPX2815T-5.0 ......................... 2% ........... SPX2815T50YYWW...........Adj .................. 3 lead TO-263  
SPX2815T-5.0/TR.................... 2% ........... SPX2815T50YYWW...........Adj .................. 3 lead TO-263  
SPX2815U ............................... 2% ............ SPX2815UYYWW..............Adj ................... 3 lead TO-220  
SPX2815U-2.5 ......................... 2% ........... SPX2815U25YYWW...........Adj .................. 3 lead TO-220  
SPX2815U-3.3 ......................... 2% ........... SPX2815U33YYWW...........Adj .................. 3 lead TO-220  
SPX2815U-5.0 ......................... 2% ........... SPX2815U50YYWW...........Adj .................. 3 lead TO-220  
/TR = Tape and Reel  
Pack quantity is 500 for TO-263 and 2,000 for  
TO-252.  
Corporation  
ANALOG EXCELLENCE  
Sipex Corporation  
Headquarters and  
Sales Office  
233 South Hillview Drive  
Milpitas, CA 95035  
TEL: (408) 934-7500  
FAX: (408) 935-7600  
Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the  
application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others.  
Date: 5/17/04  
SPX2815 1.5A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
10  
配单直通车
SPX2815AT产品参数
型号:SPX2815AT
是否Rohs认证: 不符合
生命周期:Obsolete
IHS 制造商:SIPEX CORP
包装说明:TO-263,
Reach Compliance Code:unknown
风险等级:5.08
最大回动电压 1:1.2 V
最大差分输入-输出电压:10 V
最小差分输入-输出电压:1.5 V
JESD-30 代码:R-PSSO-G3
JESD-609代码:e0
长度:10.16 mm
湿度敏感等级:3
功能数量:1
端子数量:3
工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C
最大输出电流 1:1.5 A
最大输出电压 1:15 V
最小输出电压 1:1.25 V
封装主体材料:PLASTIC/EPOXY
封装代码:TO-263
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):225
认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:5.08 mm
表面贴装:YES
端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING
端子节距:2.54 mm
端子位置:SINGLE
处于峰值回流温度下的最长时间:30
宽度:9.015 mm
Base Number Matches:1
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