Datasheet Details
| Part number | WS9221B |
|---|---|
| Manufacturer | Winsemi |
| File Size | 382.73 KB |
| Description | High Precision PSR Constant Current LED Driver |
| Datasheet |
 WS9221B Datasheet
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General Description
High Precision PSR Constant Current LED Driver
Key Features
- Built-in650V Power MOSFET.
- Constant current control without secondary sense and feedback circuit.
- No Auxiliary winding for sensing and supplying.
- Ultra low operating current to improve efficiency.
- Universal input voltage.
- ±5% LED current accuracy.
- LED short and open circuit protection.
- CS resistor short circuit protection.
- VCC under-voltage protection.
- Over temperature protection.
- Available in SOP-7 package.