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SF5773S

SiFirst
Part Number SF5773S
Manufacturer SiFirst
Description PWM Controller
Published Mar 12, 2019
Detailed Description SF5773S 2nd Generation Quasi-Resonant (QR-IITM ) PWM Controller with Brownout Protection FEATURES ◆ Easily Meet EPS Lev...
Datasheet PDF File SF5773S PDF File

SF5773S
SF5773S

Overview
SF5773S 2nd Generation Quasi-Resonant (QR-IITM ) PWM Controller with Brownout Protection FEATURES ◆ Easily Meet EPS Level 6 ◆ AC Brownout Protection (BOP) ◆ 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 SF5773S is a high performance, 2nd Generation Quasi-Resonant (QR-IITM) PWM con...


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