WS3254 Description
High Precision Primary-Side Off-line PWM Power Switch.
WS3254 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
- 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)