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Charge pump regulation control for improved power efficiency

  • US 20070139099A1
  • Filed: 12/16/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/16/2005
  • Status: Abandoned Application
First Claim
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1. A voltage generation circuit, comprising:

  • a charge pump circuit that receives an input voltage and outputs an output voltage at an output terminal, the output voltage being greater than the input voltage, and the charge pump circuit having a control terminal;

    a switch operatively connected to the output terminal of the charge pump circuit; and

    a feedback circuit operatively connected to the switch and to the control terminal of the charge pump circuit, the feedback circuit providing a feedback signal that is supplied to the control terminal of the charge pump circuit, wherein the switch serves to enable or disable operation of the feedback circuit.

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