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Voltage regulator for microelectronic devices using dual edge pulse width modulated control signal

  • US 20070262802A1
  • Filed: 05/12/2006
  • Published: 11/15/2007
  • Est. Priority Date: 05/12/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a first digital duty cycle value from a voltage controller;

    generating a pulse width modulated waveform in response to the first duty cycle value, the waveform comprising a plurality of pulses with a modulated width;

    applying the waveform to a voltage generator to generate a supply of power at a voltage determined by the duty cycle of the waveform;

    receiving a second digital duty cycle value from the controller;

    advancing the leading edge of a subsequent pulse of the waveform if the second digital duty cycle value is greater than the first digital duty cycle; and

    advancing the trailing edge of the subsequent pulse of the waveform if the second digital duty cycle value is less than the first digital duty cycle value.

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