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LNK562D 参数 Datasheet PDF下载

LNK562D图片预览
型号: LNK562D
PDF下载: 下载PDF文件 查看货源
内容描述: 能源艾菲cient离线式开关IC线性变压器更换 [Energy Effi cient Off-Line Switcher IC for Linear Transformer Replacement]
分类和应用: 变压器开关
文件页数/大小: 16 页 / 857 K
品牌: POWERINT [ POWER INTEGRATIONS, INC. ]
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LNK562-564
LinkSwitch-LP
®
Energy Efficient Off-Line Switcher IC for
Linear Transformer Replacement
Product Highlights
Lowest System Cost and Advanced Safety Features
• Lowest component count switcher
• Very tight parameter tolerances using proprietary IC
trimming technology and transformer construction
techniques enable
Clampless™designs
– decreases
component count/system cost and increases efficiency
• Meets industry standard requirements for thermal overload
protection – eliminates the thermal fuse used with linear
transformers or additional components in RCC designs
• Frequency jittering greatly reduces EMI – enables low cost
input
lter configuration
• Meets HV creepage requirements between DRAIN and all
other pins, both on the PCB and at the package
• Proprietary
E-Shield™
transformer eliminates Y-capacitor
Superior Performance over Linear and RCC
• Hysteretic thermal shutdown protection – automatic
recovery improves
eld reliability
• Universal input range allows worldwide operation
• Auto-restart reduces delivered power by >85% during
short circuit and open loop fault conditions
• Simple ON/OFF control, no loop compensation needed
• High bandwidth provides fast turn on with no overshoot
and excellent transient load response
EcoSmart
– Energy Efficiency Technology
• Easily meets all global energy efficiency regulations with
no added components
• No-load consumption <150 mW at 265 VAC input
• ON/OFF control provides constant efficiency to very
light loads – ideal for mandatory CEC regulations
®
AC
IN
+
DC
Output
D
FB
BP
LinkSwitch-LP
S
(a)
V
O
PI-3923-092705
Rated Output Power = V
R
I
R
V
R
I
R
I
O
(b)
PI-3924-011706
Figure 1. Typical Application – not a Simplified Circuit (a) and
Output Characteristic Envelope (b).
OUTPUT POWER TABLE
1
230 VAC ±15%
85-265 VAC
PRODUCT
4
LNK562P/G/D
LNK563P/G/D
LNK564P/G/D
Adapter
2
1.9 W
2.5 W
3W
Open
Open
2
3
Adapter
Frame
Frame
3
1.9 W
2.5 W
3W
1.9 W
2.5 W
3W
1.9 W
2.5 W
3W
Applications
• Chargers for cell/cordless phones, PDAs, power tools,
MP3/portable audio devices, shavers etc.
• Standby and auxiliary supplies
Table 1. Output Power Table.
Notes:
1. Output power may be limited by specific application parameters
including core size and Clampless operation (see Key Application
Considerations).
2. Minimum continuous power in a typical non-ventilated enclosed
adapter measured at 50 °C ambient.
3. Minimum practical continuous power in an open frame design with
adequate heat sinking, measured at 50 °C ambient.
4. Packages: P: DIP-8B, G: SMD-8B, D: SO-8C. For lead-free
package options, see Part Ordering Information.
Description
LinkSwitch-LP
switcher ICs cost effectively replace all
unregulated isolated linear transformer based (50/60 Hz) power
supplies up to 3 W output power. For worldwide operation, a
single universal input design replaces multiple linear transformer
based designs. The self-biased circuit achieves an extremely low
no-load consumption of under 150 mW. The internal oscillator
frequency is jittered to significantly reduce both quasi-peak and
average EMI, minimizing
lter cost.
November 2008