SF1585

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, Scanners, and Motor Drivers TYPICAL APPLICATION GENERAL DESCRIPTION SF1585 is a high performance, low cost, highly integrated current mode PWM controller fo...