SiFirst SF5877
SF5877 is a high performance, 2nd Generation QuasiResonant (QR-IITM) PWM controll| Part No. | SF5877 |
|---|---|
| Datasheet | SF5877 Download |
| Manufacturer | SiFirst |
| Description | Generation Quasi-Resonant PWM Controller |
| Buy | Stock & Price |
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
