UL82A - UTC

UL82A NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER

UL82A 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. UL82A chip integrated 500V power switch by patent demagnetization detection technology and high voltage p.

Features

including LED short circuit protection, under voltage protection, over temperature adjustment function and so on. 3 2 1 SOT-23-3 (JEDEC TO-236) 1 SOT-89 1
 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 CMOS IC 3 2 1 SOT-23 (JEDE.