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FAN6204 Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FAN6204 Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 14 page November 2010 © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6204 • Rev. 1.0.0 FAN6204 Synchronous Rectification Controller for Flyback and Forward Freewheeling Rectification Features SR Controller Suited for Flyback Converter in QR, DCM, and CCM Operation Suited for Forward Freewheeling Rectification Internal Green Mode for Lower No-Load Power Consumption and Higher Light-Load Efficiency PWM Frequency Tracking with Secondary-Side Winding Voltage Detection Ultra-Low VDD Operating Voltage for Various Output Voltage Applications (5V~24V) Ultra-Low Green Mode Operating Current: 1.1mA Typical VDD Pin Over-Voltage Protection (OVP) 12V (Typical) Gate Driver Clamp 8-Pin SOP Package Applications AC/DC NB Adapters Open-Frame SMPS Battery Charger Description FAN6204 is a secondary-side synchronous rectification (SR) controller to drive SR MOSFET for improving efficiency. The IC is suitable for flyback converters and forward free-wheeling rectification. FAN6204 can be applied in continuous or discontinuous conduction mode (CCM and DCM) and quasi-resonant (QR) flyback converters based on the proprietary innovative linear-predict timing-control technique. The benefits of this technique include a simple control method without current-sense circuitry to accomplish noise immunity. With PWM frequency tracking and secondary-side winding voltage detection, FAN6204 can operate in both fixed- and variable-frequency systems. In Green Mode, the SR controller stops all SR switching operation to reduce the operating current. Power consumption is maintained at minimum level in light- load condition. Ordering Information Part Number Operating Temperature Range Package Packing Method FAN6204MY -40°C to +105°C 8-Pin, Small Outline Package (SOP) Tape & Reel |
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