They use a SMPS IC such as the SSL2101.
Many more examples can be found using Google.
http://www.electro-tech-online.com/c.../SSL2101_3.pdf
http://www.electro-tech-online.com/c.../AN10754_1.pdf
230 V ac input, current feedback 350 ma power led driver?
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22nd August 2009 08:26 AM #1mir_as82
230 V ac input, current feedback 350 ma power led driver?
hi all. how do people produce small size power led drivers? i think they dont use transformers. how can i find power led driver s schamatic diagram? i search a driver which has like these properties:
Input Voltage :170-230 VAC
Outpu Voltage:3-5 Volt
Output Current: 350 ma
i will connect to driver just one power led.1 watt, 350 ma, 3 volt.
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22nd August 2009 11:55 AM #2Hero999
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