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Techniques for reducing no load power in electronic devices

  • US 8,853,884 B2
  • Filed: 02/09/2010
  • Issued: 10/07/2014
  • Est. Priority Date: 02/09/2009
  • Status: Active Grant
First Claim
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1. A power device operative to provide power to an electronic device, the power device comprising:

  • a power converter that is operative to receive input power from a power source and to provide output power to the electronic device;

    a switch disposed between the power converter and the power source; and

    a switch control module having a control switch and operative to selectively couple the power converter to the power source and to detect a no-load condition, wherein the switch control module detects a no-load condition when the control switch is open and when the output power drops below a predetermined level, wherein the opening of the control switch is independent of the output power dropping below the predetermined level.

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