WS3220A Description
WS3220A High Precision PSR Constant Current LED Driver.
WS3220A Key Features
- Built-in 650V Power MOSFET
- ±5% LED Current Accuracy
- Primary-side Sensing and Regulation Without TL431 and Opto-coupler
- No Auxiliary Winding For Sensing And Supplying
- Ultra low operating current
- LED Open/Short Circuit Protection
- CS Resistor Short Circuit Protection
- VCC Clamp & under voltage lockout( UVLO)
- Over Temperature Protection