Part number:
AN874
Manufacturer:
File Size:
277.16 KB
Description:
Buck configuration high-power led driver.
Datasheet Details
Part number:
AN874
Manufacturer:
File Size:
277.16 KB
Description:
Buck configuration high-power led driver.
AN874, Buck Configuration High-Power LED Driver
AN874 Buck Configuration High-Power LED Driver Author: Keith Curtis Microchip Technology Inc.
INTRODUCTION The circuit and firmware described in this application note demonstrates a minimal parts count driver/controller for a high-power (1W or greater) LED.
The circuit is based on a buck topology switching power supply using the on-chip comparator peripheral within the PIC12F675 PICĀ® microcontroller.
The switching power supply design ensures efficient power transfer between the system battery a
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