WS3252 Description
WS3252 is a high-integrated offline PWM controller, optemized for high poformance low power AC/DC charger and adapter adapter application. WS3252 operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated, thus reduce the cost.
WS3252 Key Features
- 5uA ultra-low startup current
- 2mA Low operating current -±5% Constant Voltage Regulation at Universal AC input
- Primary-side Sensing and Regulation Without TL431 and Opto-coupler
- Programmable CV and CC Regulation
- Built-in Primary winding inductance pensation
- Programmable cable drop pensation
- Built-in soft start
- Built-in Leading-edge blanking
- Cycle by cycle over current protection (OCP)
- VCC over voltage clamp & under voltage lockout( UVLO)