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Switching parameter based discontinuous mode-critical conduction mode transition

  • US 9,025,347 B2
  • Filed: 12/16/2011
  • Issued: 05/05/2015
  • Est. Priority Date: 12/16/2010
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a controller to provide at least dual-mode conduction control of a switching power converter, wherein the controller is configured to;

    control transitions between discontinuous conduction mode and critical conduction mode of the switching power converter using a measured switching time parameter having a value corresponding with an approximately peak voltage of a time-varying supply voltage supplied to the switching power converter.

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