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SD4932B
PRIMARY SIDE DC/DC CONTROLLER

    SD4932B is an Ethernet powered (Power over Ethernet, PoE) DC/DC controller. It integrates a 150V power MOSFET with PSR control. It is suitable for Flyback topology, providing accurate CV control loop, high system efficiency and good EMI characteristic.


Main feature

  • PSR mode 

  • Light load frequency reduce mode

  • Low startup current 

  • Leading-Edge Blanking

  • Peak current mode

  • Cycle by cycle current limit

  • Undervoltage lockout

  • Soft startup

  • VCC over voltage protection

  • Output short-circuit protection

  • Output over voltage protection

  • Over current protection

  • Over temperature protection


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SD4932BTR SOP-7-225-1.27 SD4932B Halogen free Tape & Reel
SD4932B SOP-7-225-1.27 SD4932B Halogen free Tube
Block Diagram

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