SiFirst SF5773
SF5773 is a high performance, 2nd Generation QuasiResonant (QR-IITM) PWM controller for offline flyback power converter applications.| Part No. | SF5773 |
|---|---|
| Datasheet | SF5773 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 for Better EMI
● Less than 100mW Standby Power
● Multi-Mode Operation for High Efficiency
● 12.7us Maximum On Time
● 80KHz Maximum Frequency Limit
● 52KHz Frequency Low Clamping in QR Mode
● 65% Maximum Duty Cycle
● Adaptive Slope Compensation for CCM Mode
● 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
The
