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PFC pre regulator

  1. Oct 11, 2009 #1
    What is a PFC pre-regulator?
    What is the use of it?
    What is the circuit diagram in it when using buck converter?
    Please post some link about pre-regulator in buck converter.
    Thank you.:smile:
     
  2. jcsd
  3. Oct 11, 2009 #2

    berkeman

    User Avatar

    Staff: Mentor

    This application note from ON semiconductor is a very good into to PFC:

    http://www.onsemi.com/pub_link/Collateral/HBD853-D.PDF

    It should answer your questions for you. If you don't understand something after you have read through it, post your question here.

    Welcome to the PF!
     
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