JW1551 Overview
JW®1551 is an active clamp flyback controller for offline flyback converter applications. The JW1551 can be adopted to reduce switching loss and provide high efficiency in whole load range. JW1551 provide two control outputs, the main power switch control and the active clamp switch control.
JW1551 Key Features
- Boundary Mode Operation at Heavy Load
- DCM Operation at Light Load
- Burst Mode Control
- Built-in Soft-start Function
- X-cap Discharge Function
- Include a Boost Converter, Allow Vin Range
- Maximum Frequency Setting with a Single
- Adjustable Line pensation
- High Switching Frequency up to 1.5MHz
- Reliable Fault Protections: VIN OVP/UVP