Datasheet Summary
WS9822B Product Description
Non-isolated Buck High Precision Three-stage Dimming LED Driver
Features
- Three-stage switcher dimming: 100%-40%-15%
- patible PCB with WS3442
- Internal 500V Power MOSFET
- Critical Conduction Mode Operation
- ±3% LED Current Accuracy
- without Auxiliary Winding for power supplying
- Efficiency up to 93%
- LED Open and Short Circuit Protection
- Thermal Regulation Function to avoid lights flicking under high temperature.
Typical Applictions
- T5/T8 LED Strings
- Ceiling Lamps
- Bulbs
- Other LED Lightings
Description
The WS9822B is a three-stage dimming constant current LED driver with high precision and is applied to non-isolated buck LED power system....