Description
SF1539 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter appli
Features
- Built-in 600V Power MOSFET.
- Proprietary η -BalanceTM Control to Boost
Light Load Efficiency.
- Proprietary “Zero OCP/OPP Recovery Gap”
Control.
- Fixed 50KHz Switching Frequency.
- Built-in Soft Start Function.
- Very Low Startup Current.
- Frequency Reduction and Burst Mode Control
for Energy Saving.
- Current Mode Control.
- Built-in Frequency Shuffling.
- Built-in Synchronous Slope Compensation.
- Cycle-by-Cycle Current Limiting.
- Built-in Leading Edg.
SF1539-SiFirst.pdf
