NCP1937BADAPGEVB, 90 W Adapter PFC+QR 10 MW Evaluation Board

Reference Design using part NCP1937A by onsemi


  • Application Category
    Power Supplies
  • Product Type
    AC to DC Single Output Power Supplies

For End Products

  • Power Supplies


  • Combination IC integrates power factor correction (PFC) and quasi-resonant flyback functionality necessary to implement a compact and highly efficient Switched Mode Power Supply for an adapter application. The PFC stage exhibits near-unity power factor while operating in a Critical Conduction Mode (CrM) with a maximum frequency clamp. The circuit incorporates all the features necessary for building a robust and compact PFC stage while minimizing the number of external components

Key Features

  • Conversion Type
    AC to DC
  • Topology
    Flyback- Quasi Resonant

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