Description

The main purpose of this reference design is to demonstrate a high performance offline flyback LED driver with PFC based on TPS92314A (220VAC with PFC) . This LED driver is designed for converting an AC input to a regulated LED current. The operating conditions and performance of the reference design are as follows: 198VAC to 264VAC: 50Hz Input Voltage: 28V to 34V LED Voltage: 400mA Regulated LED Current : 87% Typical System Efficiency: High Power Factor > 0.9: Output Short-Circuit and Open-Circuit Protection.