SF5877

SF5877 HV-mWTM、2nd Generation Quasi-Resonant (QR-IITM ) PWM Controller FEATURES ◆ Easily Meet EPS Level 6 ◆ Proprietary QR-IITM Technology: ●Digital Anti-jitter for Audio Noise Free Operation ● Digital Frequency Foldback ● Digital Frequency Jittering ◆ Proprietary HV-mWTM to Achieve Less than 50mW Standby Power ◆ Multi-Mode Operation for High Efficiency ◆ 12.7us Maximum On Time ◆ 80KHz Maximum Frequency Limit ◆ 53KHz Frequency Low Clamping in QR Mode ◆ Maximum 65% Duty Cycle ◆ Adaptive Slope Compensation for CCM Mode ◆ Latch Plug-off Protection ◆ Built-in Soft Start Function ◆ Pin Floating Protection ◆ Built-in Synchronous Slope Compensation ◆ Cycle-by-Cycle Current Limiting ◆ Leading Edge Blanking (LEB) ◆ Constant Power Limiting ◆ VDD UVLO, OVP & Clamp APPLICATIONS Offline AC/DC Flyback Converter for ◆ AC/DC Adaptors ◆ SMPS Power Supply GENERAL DESCRIPTION SF5877 is a high performance, 2nd Generation QuasiResonant (QR-IITM) PWM controll...