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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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