SF5879
SF5879 is PWM Power Switch manufactured by SiFirst.
FEATURES
- Meet EPS Level 6
- Built-in 600V Power MOSFET
- Proprietary QR-IITM Technology:
- Digital Anti-jitter for Audio Noise Free Operation
- Digital Frequency Foldback
- Digital Frequency Jittering
- Proprietary HV-m WTM to Achieve Less than
80m W 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 pensation for CCM Mode
- Built-in Soft Start Function
- Built-in Synchronous Slope pensation
- 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
SF5879 is a high performance, 2nd Generation Quasi Resonant (QR-IITM) PWM power switch for offline flyback power...
