Datasheet Summary
WS9441 Product Description
Features
- Critical Conduction Mode Operation
- Internal 500V Power MOSFET
- Gate Drive and No Auxiliary Winding
- ±3% LED Current Accuracy
- Efficiency up to 93%
- LED Short Circuit Protection
- LED Open Circuit Protection
- Current Sense Resistor Short Protection
- Thermal Regulation Function
Applications
- LED Bulb Lights
- LED Panel Lights
- LED Strings
Typical Application Circuit
Non-isolated BuckOffline LED Driver
Description
The WS9441 is a high precision buck constant current LED driver and is applied to non-isolated buck LED power system with AC input voltage of 85VAC-265VAC. The WS9441 integrates a 500V power MOSFET, and can achieve excellent constant...