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    SDH8303
    CURRENT MODE PWM CONTROLLER

    SDH8303 is a current mode PWM controller with built-in high-voltage MOSFET used for SMPS.

    SDH8303 has a built-in high-voltage startup function. It enters burst mode at light load to reduce the system standby power dissipation; the frequency reduction function optimizes the conversion efficiency at light load; frequency jitter improves EMI performance; the soft startup function reduces the device stress to avoid transformer saturation. 

    SDH8303 integrates complete protections, including VDD undervoltage protection, VDD overvoltage protection, lead edge blanking, output short-circuit protection, over current protection, over temperature protection, etc. 



    Main feature

    • High-voltage startup

    • Burst mode at light load

    • Frequency jitter

    • Soft startup

    • VDD undervoltage protection

    • VDD overvoltage protection

    • Lead edge blanking

    • Output short-circuit protection  

    • Over current protection 

    • Over temperature protection

    Ordering Information
    Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
    SDH8303 DIP-8-300-2.54 SDH8303 Halogen free Tube
    Block Diagram

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