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DC-DC converter

  • US 9,595,876 B2
  • Filed: 02/11/2015
  • Issued: 03/14/2017
  • Est. Priority Date: 02/11/2015
  • Status: Active Grant
First Claim
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1. A converter comprising:

  • an input to receive an input voltage having an input voltage value;

    an output;

    a first voltage bus;

    a midpoint;

    a first transformer having a primary and a secondary;

    a first circuit coupled to the input, coupled between the midpoint and the first voltage bus and coupled to the primary of the first transformer;

    an output circuit coupled to the secondary of the first transformer and coupled to the output; and

    a control circuit coupled to the first circuit and configured to control the first circuit to provide an AC voltage at the primary of the first transformer, wherein the control circuit is configured to generate control signals to control switches of the first circuit using a modified triangular waveform, wherein the modified triangular waveform does not follow a triangular shape over a complete cycle of the waveform, wherein the modified triangular waveform has slope values including at least a positive slope and a negative slope.

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