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Power device

  • US 20070019443A1
  • Filed: 07/21/2006
  • Published: 01/25/2007
  • Est. Priority Date: 07/22/2005
  • Status: Active Grant
First Claim
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1. A power device comprising:

  • a switching regulator having a switching element connected to a transformer or a coil, and a control circuit for generating an on/off signal to control the switching element, and supplying an input voltage from a power source to a first load by the on/off operation of the switching element in accordance with the on/off signal; and

    a charge pump circuit for accumulating an electric charge in accordance with the input voltage from the power source during an operation for turning on the switching element, and discharging the accumulated electric charge to a second load during an operation for turning off the switching element.

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