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RESONANCE-BASED SINGLE INDUCTOR OUTPUT-DRIVEN DC-DC CONVERTER AND METHOD

  • US 20140232359A1
  • Filed: 09/24/2013
  • Published: 08/21/2014
  • Est. Priority Date: 02/21/2013
  • Status: Active Grant
First Claim
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1. A resonance-based DC-DC converter for converting a DC input voltage to a first DC output voltage on a first output conductor, comprising:

  • (a) an inductor having a first terminal directly coupled to a source of a DC input voltage and a second terminal coupled to a resonance conductor;

    (b) a resonance capacitor having a first terminal coupled to the resonance conductor;

    (c) a first switch coupled between the resonance conductor and the first output conductor, for conducting inductor current into the first output conductor during a first phase;

    (d) a second switch coupled between a second terminal of the resonance capacitor and the first output conductor, for conducting inductor current through the resonance capacitor into the first output conductor during a second phase; and

    (e) a third switch coupled between the second terminal of the resonance capacitor and a first reference voltage for conducting inductor current from a source of the first reference voltage through the resonance capacitor into the source of the input voltage during a third phase.

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