flyback

Discussion in 'General Electronics Chat' started by firend, Aug 9, 2013.

  1. firend

    Thread Starter Member

    Feb 18, 2012
    44
    0
    flyack.PNG
    hello everyone!
    Can i help me? I am making flyback converter. I am using IC VIPER17H. i don't understand principle operation of feedback circuit. I attached circuit in file. can anybody explain to me?
    Thanks a lot.
     
  2. kubeek

    AAC Fanatic!

    Sep 20, 2005
    4,670
    804
    I would start first by looking up the datasheet of U2, which presumably is LM431.
     
  3. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    4,769
    969
    Read section 7.10 of the Viper17H datasheet..
    Read the whole thing while you are at it.. Thats what they are for.
     
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