Description

The main purpose of this reference design is to demonstrate the LM3447 is ideal for implementing high dimmable performance with single stage PFC: isolated LED lamp drivers where simplicity: low-component count and small solution size. The operating conditions and performance of the reference design are as follows: ●190VAC to 264VAC: 50Hz Input Voltage ●32V to 38V LED Voltage ●280mA Regulated LED Current ●> 81% Typical System Efficiency ●High Power Factor > 0.9 ●Output Short-Circuit and Open-Circuit Protection