LM3447 - 230VAC, 10W, Phase Dimmable Non-isolated Buck-Boost PFC LED Driver
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The main purpose of this reference design is to demonstrate a high performance offline phase dimmable Buck-Boost PFC LED driver based on LM3447. 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
- ●34V LED Voltage
- ●300mA LED Current
- ●85% Typical System Efficiency
- ●> 0.9 Power Factor
- ●Output Short-Circuit and Open-Circuit Protection