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LNK353G PDF预览

LNK353G

更新时间: 2024-01-20 02:03:28
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT 开关
页数 文件大小 规格书
16页 856K
描述
Enhanced, Energy Efficient, Low Power Off-Line Switcher IC

LNK353G 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.65
其他特性:REQUIRES AN AC SUPPLY OF 85 TO 265V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATIONJESD-30 代码:R-PDIP-T7
JESD-609代码:e0长度:9.575 mm
功能数量:1端子数量:7
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.4 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE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:SINGLE最大切换频率:214 kHz
温度等级:AUTOMOTIVE端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

LNK353G 数据手册

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LNK353/354  
®
LinkSwitch-HF Family  
Enhanced, Energy Efficient, Low Power  
Off-Line Switcher IC  
Product Highlights  
+
+
Features Optimized for Lowest System Cost  
DC  
Output  
Fully integrated auto-restart for short-circuit and open  
loop protection  
Self-biased supply – saves transformer auxiliary winding  
and associated bias supply components  
Tight tolerances and negligible temperature variation on  
key parameters eases design and lowers cost  
High maximum switching frequency allows very low  
flux density transformer designs, practically eliminating  
audible noise  
Wide Range  
HV DC Input  
D
S
FB  
BP  
LinkSwitch-HF  
PI-3855-022704  
Frequency jittering greatly reduces EMI  
Packages with large creepage to high voltage pin  
Lowest component count switcher solution  
Figure 1. Typical Standby Application.  
OUTPUT POWER TABLE  
Much Better Performance over Linear/RCC  
230 VAC ±15%  
85-265 VAC  
Lower system cost than RCC, discrete PWM and other  
integrated solutions  
PRODUCT(3)  
Open  
Adapter(1)  
Open  
Frame(2)  
Adapter(1)  
Frame(2)  
Universal input range allows worldwide operation  
Simple ON/OFF control – no loop compensation needed  
No bias winding – simpler, lower cost transformer  
High frequency switching – smaller and lower cost  
transformer  
Very low component count – higher reliability and single  
side printed circuit board  
High bandwidth provides fast turn on with no overshoot  
and excellent transient load response  
LNK353 P or G  
LNK354 P or G  
3 W  
4 W  
5 W  
2.5 W(4)  
3 W(4)  
3 W  
3.5 W  
4.5 W  
Table 1. Notes: 1. Typical continuous power in a non-ventilated  
enclosed adapter measured at 50 °C ambient. 2. Maximum practical  
continuous power in an open frame design with adequate heat  
sinking, measured at 50 °C ambient. 3. Packages: P: DIP-8B,  
G: SMD-8B. For lead-free package options, see Part Ordering  
Information. 4. For designs without aY capacitor, the available power  
may be lower (see Key Applications Considerations).  
Current limit operation rejects line frequency ripple  
Built-in current limit and hysteretic thermal shutdown  
protection  
source, frequency jittering, cycle-by-cycle current limit, and  
thermal shutdown circuitry onto a monolithic IC. The start-up  
and operating power are derived directly from the DRAIN pin,  
eliminatingtheneedforabiaswindingandassociatedcircuitry.  
The 200 kHz maximum switching frequency allows very  
low flux transformer designs, practically eliminating audible  
noise with the simple ON/OFF control scheme using standard  
varnished transformer construction. Efficient operation at this  
high switching frequency is achieved due to the optimized  
switchingcharacteristicsandsmallcapacitancesoftheintegrated  
power MOSFET.The fully integratedauto-restart circuit safely  
limits output power during fault conditions such as output short  
circuit or open loop, reducing component count and secondary  
feedback circuitry cost. The internal oscillator frequency is  
jittered to significantly reduce both the quasi-peak and average  
EMI, minimizing filtering cost.  
EcoSmart®– Extremely Energy Efficient  
No-load consumption <300 mW without bias winding at  
265 VAC input  
Meets California Energy Commission (CEC), Energy  
Star, and EU requirements  
Applications  
Chargers for cell/cordless phones, PDAs, digital cameras,  
MP3/portable audio devices, shavers etc.  
Standby and auxiliary supplies  
Description  
LinkSwitch-HF integrates a 700 V power MOSFET, oscillator,  
simpleON/OFFcontrolscheme,ahighvoltageswitchedcurrent  
February 2005  

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