Datasheet Details
| Part number | UL83B |
|---|---|
| Manufacturer | Unisonic Technologies |
| File Size | 314.58 KB |
| Description | NON ISOLATED BUCK CONSTANT CURRENT HIGH PF LED DRIVER |
| Datasheet |
 UL83B Datasheet
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General Description
UL83B are a highly integrated power switch with constant current (CC) control for LED lighting applications.
which is suitable for the non isolated buck LED constant current power supply with 85Vac~265Vac full range input voltage, active PFC control for high PF, low THD, and high efficiency.
Key Features
- S.
- 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.
- The regulating functio.