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POWER SUPPLY FOR LIMITED POWER SOURCES AND AUDIO AMPLIFIER USING POWER SUPPLY

  • US 20090016549A1
  • Filed: 07/18/2008
  • Published: 01/15/2009
  • Est. Priority Date: 01/23/2006
  • Status: Active Grant
First Claim
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1. A power supply comprising:

  • a power input terminal for receiving an input power signal at a source voltage from a limited power source;

    an energy storage element for storing energy;

    a step-up converter coupled to the power input terminal to receive the input power signal and for providing a storage power signal to the energy storage element at a storage voltage, and wherein the step-up converter isolates the source voltage at the input terminal from the storage voltage at the energy storage element;

    a power output terminal; and

    wherein the energy storage element is coupled to the step-up converter for receiving power and wherein the energy storage element in coupled to the output terminal for providing an output power signal to a load.

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