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LNK500P PDF预览

LNK500P

更新时间: 2024-01-05 20:05:05
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
20页 503K
描述
Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers

LNK500P 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended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:8542.39.00.01Factory Lead Time:14 weeks
风险等级:7.77其他特性:REQUIRES AN AC SUPPLY OF 85 TO 265 V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制技术:PULSE WIDTH MODULATION
最大输入电压:6 V最小输入电压:5.5 V
标称输入电压:5.75 VJESD-30 代码:R-PDIP-T7
JESD-609代码:e3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:49.5 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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

LNK500P 数据手册

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®
LNK500  
®
LinkSwitch Family  
Energy Efficient, CV or CV/CC Switcher for  
Very Low Cost Adapters and Chargers  
Product Highlights  
LinkSwitch  
D
S
Cost Effective Linear/RCC Replacement  
• Lowest cost and component count, constant voltage (CV)  
C
or constant voltage/constant current (CV/CC) solution  
• Extremely simple circuit configuration  
Wide Range  
HV DC Input  
DC  
Output  
(VO)  
• Up to 75% lighter power supply reduces shipping cost  
• Primary based CV/CC solution eliminates 10 to 20  
secondary components for low system cost  
• Combined primary clamp, feedback, IC supply, and loop  
compensation functions–minimizes external components  
• Fully integrated auto-restart for short circuit and open  
loop fault protection–saves external component costs  
• 42 kHz operation simplifies EMI filter design  
(a)  
VO  
Example Characteristic  
VO  
Min  
Typ  
(CV only)  
(CV/CC)  
5%  
10%  
Much Higher Performance Over Linear/RCC  
• Universal input range allows worldwide operation  
• Up to 70% reduction in power dissipation–reduces  
enclosure size significantly  
• CV/CC output characteristic without secondary feedback  
• System level thermal and current limit protection  
• Meets all single point failure requirements with only one  
additional clamp capacitor  
IO  
IO  
25%*  
25%*  
(b)  
For Circuit  
Shown Above  
With Optional  
Secondary Feedback**  
*Estimated tolerance achievable in high volume production  
including transformer and other component tolerances.  
**See Optional Secondary Feedback section.  
PI-3415-021103  
• Controlled current in CC region provides inherent soft-start  
• Optional opto feedback improves output voltage accuracy  
Figure 1. Typical Application – not a Simplified Circuit (a) and  
Output Characteristic Tolerance Envelopes (b).  
EcoSmart®- Extremely Energy Efficient  
• Consumes <300 mW at 265 VAC input with no load  
• Meets Blue Angel, Energy Star, and EC requirements  
• No current sense resistors–maximizes efficiency  
OUTPUT POWER TABLE1  
No-Load  
Input  
Power  
230 VAC 15% 85-265 VAC  
Min2 Typ2 Min2 Typ2  
PRODUCT4  
3.2 W 4 W 2.4 W 3 W <300 mW  
4.3 W 5.5 W 2.9 W 3.5 W <500 mW3  
LNK500  
P or G  
Applications  
• Linear transformer replacement in all 3 W applications  
• Chargers for cell phones, cordless phones, PDAs, digital  
cameras, MP3/portable audio devices, shavers, etc.  
• Home appliances, white goods and consumer electronics  
• TV standby and other auxiliary supplies  
Table 1. Notes: 1. Output power for designs in an enclosed adapter  
measured at 50 °C ambient. 2. See Figure 1 (b) for Min (CV only designs)  
and Typ (CV/CC charger designs) power points identified on output  
characteristic. 3. Uses higher reflected voltage transformer designs for  
increased power capability – see KeyApplication Considerations section.  
4. See Part Ordering Information.  
Description  
and enables a much smaller, lighter, and attractive package when  
compared with the traditional "brick". With efficiency of up to  
75%and<300mWno-loadconsumption,aLinkSwitchsolution  
can save the end user enough energy over a linear design to  
completely pay for the full power supply cost in less than one  
year. LinkSwitch integrates a 700 V power MOSFET, PWM  
control,highvoltagestart-up,currentlimit,andthermalshutdown  
circuitry, onto a monolithic IC.  
LinkSwitch is specifically designed to replace low power linear  
transformer/RCC chargers and adapters at equal or lower system  
costwithmuchhigherperformanceandenergyefficiency.LNK500  
is a lower cost version of the LNK501 with a wider tolerance  
output CC characteristic. LinkSwitch introduces a revolutionary  
patented topology for the design of low power switching power  
supplies that rivals the simplicity and low cost of linear adapters,  
March 2003  

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