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CONTROLLER AND METHOD FOR USING A DC-DC CONVERTER IN A MOBILE HANDSET

  • US 20120064953A1
  • Filed: 09/12/2011
  • Published: 03/15/2012
  • Est. Priority Date: 03/09/2007
  • Status: Active Grant
First Claim
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1. A method for using a DC-DC converter in a mobile handset, comprising:

  • applying a DC-DC converter between a voltage source and a regulator, the regulator having an output connected to a power amplifier;

    enabling the DC-DC converter in response to a transmission burst;

    detecting a plurality of peaks from the regulator output;

    determining a target voltage in response to the plurality of peaks;

    commanding the DC-DC converter to transition to the target voltage; and

    commanding the DC-DC converter to a bypass mode in response an end of the transmission burst.

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