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DC/DC conversion apparatus

  • US 10,193,465 B2
  • Filed: 09/29/2016
  • Issued: 01/29/2019
  • Est. Priority Date: 09/30/2015
  • Status: Active Grant
First Claim
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1. A DC/DC conversion apparatus, comprising:

  • a DC voltage source that outputs a DC power supply voltage;

    an oscillation circuit electrically connected to the DC voltage source;

    a plurality of switch elements;

    a switch controller that connects an electrical connection between the DC voltage source and the oscillation circuit and disconnects the electrical connection between the DC voltage source and the oscillation circuit during a time other than a dead-zone time, wherein the dead-zone time occurs when switching turn-on and turn-off of the plurality of switch elements, and switches a direction of a voltage applied to the oscillation circuit between a first direction and a second direction by switching turn-on and turn-off of the plurality of switch elements; and

    a transformation circuit that outputs a current generated in the oscillation circuit and converts the current into a DC current;

    whereinthe switch controller disconnects the electrical connection between the oscillation circuit and the DC voltage source before the direction of the voltage applied to the oscillation circuit is switched from the first direction to the second direction, and connects the electrical connection between the oscillation circuit and the DC voltage source and switches the direction of the voltage applied to the oscillation circuit to the second direction after a current flowing through the oscillation circuit has been outputted to the transformation circuit.

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