UL98B
Description
UL98B is a high precision LED BUCK constant current driver chip.
Key Features
- * 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
