BC847BW(2012) Ver la hoja de datos (PDF) - Infineon Technologies

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BC847BW
(Rev.:2012)

Phase Cut Dimmable Non-isolated Buck Converter for LED Retrofit Bulb with ICL8002G & CoolMOS™ 600V C6

Infineon Technologies 

AN-EVALLED-ICL8002G-B2

Phase Cut Dimmable Non-isolated Buck Converter for LED Retrofit Bulb with ICL8002G & CoolMOS™ 600V C6

How to reduce BOM cost?

For low cost application, the active bleeder circuit (formed by R3-R6, C3, C4, ZD1, Q1, and Q2) can be

removed. Please note that dimming performance may be affected. If lightning surge performance requirement is

not stringent, a 250V rated MOSFET can be used for Q2 while a 500V rated MOSFET can be used for Q5 for

cost reduction.

14

References

ICL8002G Datasheet at www.infineon.com/ledoffline

Design Guidelines for ICL8001G/ICLS8082G at www.infineon.com/ledoffline

Application Note

22

Version 1.1, 2012-08-03

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