Datasheet Details
| Part number | UL98B |
|---|---|
| Manufacturer | Unisonic Technologies |
| File Size | 184.47 KB |
| Description | NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER |
| Datasheet |
 UL98B Datasheet
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General Description
UL98B is a high precision LED BUCK constant current driver chip.
The chip operates in the inductor current critical continuous mode, which is suitable for the non isolated buck LED constant current power supply with 85Vac~265Vac full range input voltage.
Key Features
- S.
- The integrated 500V 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 function of overheating.