Description
ULW2091 is a high precision LED BUCK constant current driver chip.
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
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