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DC/DC converter with reduced power consumpton and improved efficiency

  • US 5,949,226 A
  • Filed: 04/09/1996
  • Issued: 09/07/1999
  • Est. Priority Date: 04/10/1995
  • Status: Expired due to Fees
First Claim
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1. A DC/DC converter for controlling switching means so as to vary a coil current and control an output, the converter comprising:

  • output monitoring means for monitoring an output value and outputting a first signal when the output value becomes a reference value;

    current monitoring means for monitoring a coil current, outputting a second signal when the coil current becomes a first current value and outputting a third signal when the coil current becomes a second current value; and

    controlling means for receiving the first, second and third signals, wherein the controlling means turns on the switching means when the first signal is received and turns off the switching means when the second signal is received,wherein said controlling means is adapted for ignoring the first signal that is output from said output monitoring means after the first signal is received until the third signal is received.

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