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High- and Low-Power Power Supply with Standby Power Saving Features

  • US 20110057724A1
  • Filed: 09/17/2010
  • Published: 03/10/2011
  • Est. Priority Date: 08/28/2009
  • Status: Active Grant
First Claim
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1. A power supply to provide power for an electrical device, comprising:

  • an input port to receive an input signal;

    an output port coupled to the electrical device to provide an output signal;

    a first power converter to convert the received input signal to a first electrical signal having a first voltage level;

    a second power converter to convert the first electrical signal from the first power converter to a second electrical signal having a second voltage level, and provide the second electrical signal to the output port as the output signal; and

    a circuit to selectively bypass the second power converter and provide the first electrical signal from the first power converter to the output port as the output signal.

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