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    SDH8312
    NON-ISOLATED AC TO DC CONTROLLER

        SDH8312 is AC-DC controller with built-in 650V MOSFET used for SMPS.

        SDH8312 integrates high-voltage circuit and self-power function for fast startup and low standby power dissipation. It features the frequency reduction function to optimize the conversion efficiency at light load; the soft startup function reduces the device stress to avoid transformer saturation. 

        SDH8312 integrates various protections, including VDD undervoltage protection, open loop protection, output overload protection, output short-circuit protection, over temperature protection, etc. Meanwhile, if any protection occurs, the circuit will continue to restart automatically until the system recovers.


    Main feature

    • Adjustable output voltage

    • High-voltage self-startup 

    • Adaptive Frequency reduction

    • Soft startup

    • VDD undervoltage protection

    • FB open-loop protection 

    • Lead edge blanking

    • Output overload protection

    • Short-circuit protection 

    • Over temperature protection 

    Ordering Information
    Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
    SDH8312TR SOP-8-225-1.27 SDH8312 Halogen free Tape & Reel
    SDH8312 SOP-8-225-1.27 SDH8312 Halogen free Tube
    Block Diagram

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