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CONTROL ARRANGEMENT FOR A RESONANT MODE POWER CONVERTER

  • US 20080198638A1
  • Filed: 01/18/2008
  • Published: 08/21/2008
  • Est. Priority Date: 01/22/2007
  • Status: Active Grant
First Claim
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1. A method of controlling a switching frequency of a power converter having an output voltage that is dependent upon the switching frequency, comprising the steps of:

  • producing a first current that is dependent upon the output voltage;

    producing a second current corresponding to a desired maximum value of the first current;

    limiting the first current to the desired maximum value in dependence upon the second current; and

    producing a control signal for the power converter with a frequency determined by the first current.

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