Cuk Converter Inductors

Discussion in 'Homework Help' started by Chacabucogod, Dec 10, 2014.

  1. Chacabucogod

    Thread Starter New Member

    Nov 16, 2013
    26
    1
    Hi,

    I'm learning about cuk DC-DC converters, and happen to have a question. Why do you need the two inductors? So far I believe the first one is there to regulate the current when the source is connected to the capacitor through it, but the second one I have no clue.

    Thank you
     
  2. crutschow

    Expert

    Mar 14, 2008
    13,056
    3,245
    You need the two inductors so the converter can both buck (decrease) or boost (increase) the input voltage. The Cuk is basically a boost converter followed by a buck converter.
     
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