SEPIC converter

Discussion in 'The Projects Forum' started by jnu, Jul 21, 2014.

  1. jnu

    Thread Starter New Member

    May 12, 2014
    2
    0
    Hi
    my mosfet used in sepic converter works at very low voltage but it fails at doesnot turn on at high voltage. The DSO images are attached showing voltage across Drain and Source of IRF 240. The driver used is TLP250 and switching frequency of 20 KHZ.[​IMG][​IMG][/IMG]
     
    Last edited: Jul 21, 2014
  2. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    4,769
    969
    Images don't show and if you want any help then I'd think you would need to provide a schematic.
     
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