General Description

WS3110 is a power factor correction， primary-side-control LED lighting driver with advanced features to provide high efficiency control for lighting application. WS3110 applies source driver technology，its internal fast start- up circuit greatly shorten the start-up time while keeping extremely low standby power consumption. With internal line-compensation, the WS3110 provides accurate constant current (CC ± 5%) regulation at universal AC input.

Features

■Fast start-uptime
■Low operation current (0.6mA)
■PSR control with Single stage PFC topology
■CC±5%
■Programmable output current and output voltage
■Internal Line and Load compensation
■Internal soft-start
■Built in Leading edge blanking(LEB)
■Cycle-by-cycle Over-Current Protection
■VCC over-voltage protection(VCC-OVP)
■VCC under voltage lockout(UVLO）
■Over temperature protection(OTP)
■Transformer saturation protection
■Inter power-mos saturation protection
■Output LED open/short protection
■CS pin open/short protection

Applications

■LED lighting
■Down light
■Tube lamp
■PAR lamp
■Bulb