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POWER SUPPLY FOR BOTH AC AND DC

  • US 20070195558A1
  • Filed: 12/19/2006
  • Published: 08/23/2007
  • Est. Priority Date: 06/19/2004
  • Status: Active Grant
First Claim
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1. A power supply for AC/DC and DC/DC conversion comprising:

  • an AC input 10;

    a DC input 20;

    a switch 30 for selecting AC input power or DC input power;

    a DC output 40; and

    a circuit used for AC/DC and DC/DC conversion 100 which converts the power input from the AC input or the DC input to DC power, wherein a secondary side of a transformer (TL) for AC/DC conversion inside the circuit for conversion serves as an inductor for performing DC/DC conversion.

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