NEW PRODUCT APR34709 SECONDARY SIDE SYNCHRONOUS RECTIFICATION SWITCHER Description The APR34709 is a secondary side Combo IC, which combines an NChannel MOSFET and a driver circuit designed for Synchronous Rectification (SR), supports DCM and Quasi-Resonant Flyback Topologies.
The N-Channel MOSFET is optimized for low gate charge, low RDS(ON), fast switching speed and body diode reverse recovery performance.
The synchronous rectification can effectively reduce the secondary side rectifier power dissipation and provide high performance solution.
By sensing MOSFET drain-to-source voltage, the APR34709 can output ideal drive signal with less external components.
Pin Assignments (Top View) AR...

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