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    SD4932B
    PRIMARY SIDE DC/DC CONTROLLER

        SD4932B is an Ethernet powered (Power over Ethernet, PoE) DC/DC controller. It integrates a 150V power MOSFET with PSR control. It is suitable for Flyback topology, providing accurate CV control loop, high system efficiency and good EMI characteristic.


    Main feature

    • PSR mode 

    • Light load frequency reduce mode

    • Low startup current 

    • Leading-Edge Blanking

    • Peak current mode

    • Cycle by cycle current limit

    • Undervoltage lockout

    • Soft startup

    • VCC over voltage protection

    • Output short-circuit protection

    • Output over voltage protection

    • Over current protection

    • Over temperature protection


    Ordering Information
    Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
    SD4932BTR SOP-7-225-1.27 SD4932B Halogen free Tape & Reel
    SD4932B SOP-7-225-1.27 SD4932B Halogen free Tube
    Block Diagram

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