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SD786XD
PRIMARY SIDE REGULATED CONSTANT CURRENT LOW PFC ISOLATED FLYBACK CONTROLLER FOR LED DRIVER

The SD786XD 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 SD786XD 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 SD786XD 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
SD7863D DIP-7-300-2.54 SD7863D Halogen free Tube
SD7864D DIP-7-300-2.54 SD7864D Halogen free Tube
SD7865D DIP-7-300-2.54 SD7865D Halogen free Tube
SD7867D DIP-7-300-2.54 SD7867D Halogen free Tube
Block Diagram

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