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Sample and hold technique for generating an average of sensed inductor current in voltage regulators

  • US 7,710,084 B1
  • Filed: 03/19/2008
  • Issued: 05/04/2010
  • Est. Priority Date: 03/19/2008
  • Status: Active Grant
First Claim
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1. A method of generating an average of an inductor current in a voltage regulator, the method comprising:

  • sampling a peak of a sensed inductor current at a first sample window, the sensed inductor current being indicative of inductor current flowing through an output inductor of a voltage regulator;

    sampling a valley of the sensed inductor current at a second sample window; and

    generating an average of the sensed inductor current based on the sampling of the peak and the valley of the sensed inductor current.

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