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DC-TO-DC CONVERTER AND ELECTRIC MOTOR DRIVE SYSTEM USING THE SAME

  • US 20070236965A1
  • Filed: 04/06/2006
  • Published: 10/11/2007
  • Est. Priority Date: 04/06/2006
  • Status: Active Grant
First Claim
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1. A DC-to-DC converter comprising:

  • a first capacitor having a first and second terminal;

    a second capacitor having a first and second terminal;

    an inductor having a first and second terminal, wherein the first terminal of the inductor is coupled to both the first terminal of the second capacitor and the second terminal of the first capacitor to form a first node;

    a first switching device having a first and second terminal and configured to electrically couple the first and second terminals of the first switching device in response to a first control signal, wherein the first terminal of the first switching device is coupled to the first terminal of the first capacitor to form a second node; and

    a second switching device having a first and second terminal and configured to electrically couple the first and second terminals of the second switching device in response to a second control signal, wherein;

    the first terminal of the second switching device is coupled to the second terminal of the first switching device and the second terminal of the inductor to form a third node, and the second terminal of the second switching device is coupled to the second terminal of the second capacitor to form a fourth node.

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