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    SD782XD
    PRIMARY SIDE REGULATED CONSTANT CURRENT LOW PFC ISOLATED FLYBACK CONTROLLER FOR LED DRIVER

        The SD782XD is a primary side regulated constant current low PFC isolated flyback controller, it has a built-in high voltage power MOSFET, is used together with a pre-stage APFC boost circuit to achieve two stage isolated no flicker application.

        The SD782XD provides accurate constant current control and operates in boundary conduction mode (BCM). The Device adopts primary side regulation eliminating the opto-couple for simplifying design and reducing cost.

        The SD782XD provides complete protections such as short LED protection, open LED protection and over temperature protection, etc.


    Main feature

    • PSR flyback topology

    • Boundary Conduction Mode

    • Built-in 650V high voltage power MOSFET

    • Leading edge blanking

    • VCC under voltage lockout

    • Over temperature protection

    • Cycle by cycle current limiting

    • Short LED protection and Open LED protection


    Ordering Information
    Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
    SD7824D DIP-8A-300-2.54 SD7824D Halogen free Tube
    SD7822D DIP-8A-300-2.54 SD7822D Halogen free Tube
    Block Diagram

    782XD.png

    Documents
    title Types of Size (KB) date Download the latest English version
    SD782XD 0 1970-01-01 SD782XD Brief Datasheet
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