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Power control methods and apparatus for variable loads

DC
  • US 7,542,257 B2
  • Filed: 09/12/2005
  • Issued: 06/02/2009
  • Est. Priority Date: 09/10/2004
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a switching power supply configured to provide power factor correction and an output voltage to a load via control of a single switch,wherein the apparatus is configured to mitigate a significant overvoltage condition in the output voltage as a result of a zero or near-zero power drawn by the load.

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