SF1539HT
SF1539HT is PWM Power Switch manufactured by SiFirst.
η-BalanceTM PWM Power Switch Fixed 65KHz Fsw and OTP Protection
Features
- Built-in 600V Power MOSFET
- Over Temperature Protection (OTP)
- Proprietary η-BalanceTM Control to Boost
Light Load Efficiency
- Proprietary “Zero OCP/OPP Recovery Gap”
Control
- Fixed 65KHz 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 pensation
- Cycle-by-Cycle Current Limiting
- Built-in Leading Edge Blanking (LEB)
- Constant Power Limiting
- Pins Floating Protection
- Audio Noise Free Operation
- VDD OVP & Clamp
- VDD...
