UL83B
Description
UL83B are a highly integrated power switch with constant current (CC) control for LED lighting applications.
Key Features
- Active PFC for High PF and Low THD
- PF>0.9 with Universal Input
- The integrated 550V power mos
- The integrated high voltage power supply function
- The inductor current critical continuous mode
- Without auxiliary winding detection and power supply
- The wide voltage input voltage
- ±5% LED output current accuracy
- The LED short circuit and open circuit protection
- The chip power supply under voltage protection
