SF1531S
SF1531S is Current Mode PWM Controller manufactured by SiFirst.
η-BalanceTM Current Mode PWM Controller
Features
- Proprietary η-BalanceTM Control to Boost
Light Load Efficiency
- Proprietary “Zero OCP/OPP Recovery Gap”
Control
- Built-in Soft Start Function
- Very Low Startup Current
- High Voltage CMOS Process with Excellent
ESD Protection
- Frequency Reduction and Burst Mode Control for Energy Saving
- Current Mode Control
- Built-in Frequency Shuffling
- Programmable Switching Frequency
- Built-in Synchronous Slope pensation
- Pins Floating Protection
- Cycle-by-Cycle Current Limiting
- Built-in Leading Edge Blanking (LEB)
- Constant Power Limiting
- Audio Noise Free Operation
- VDD OVP & Clamp
- VDD Under Voltage Lockout (UVLO)
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