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SF1585
Highly Integrated Current Mode PWM Controller
FEATURES
◆ 800mA Drive Capability, up to 100W Application with Low System Cost
◆ Proprietary “Zero OCP/OPP Recovery Gap” Control
◆ Latch Plug-off Protection with External Triggering
◆ Fixed 65KHz Switching Frequency ◆ Built-in Soft Start Function ◆ All Pins Floating Protection ◆ 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 Edge Blanking (LEB) ◆ Constant Power Limiting ◆ Audio Noise Free Operation ◆ VDD OVP & Clamp
◆ VDD Under Voltage Lockout (UVLO)
APPLICATIONS
Offline AC/DC Flyback Converter for ◆ AC/DC Adaptors ◆ Open-frame SMPS ◆ Print Power, S