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ISOLATED DC/DC AND DC/AC CONVERTERS AND CONTROLLING METHODS THEREOF HAVING RELATIVELY BETTER EFFECTIVENESS

  • US 20080219030A1
  • Filed: 07/12/2007
  • Published: 09/11/2008
  • Est. Priority Date: 03/08/2007
  • Status: Abandoned Application
First Claim
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1. An isolated DC/DC converter, comprising:

  • a DC/AC switching device receiving a DC input voltage for outputting a first AC output voltage;

    a transformer receiving the first AC output voltage for outputting a second AC output voltage;

    a rectifier receiving the second AC output voltage for outputting a DC output voltage; and

    a duty ratio and frequency modulating apparatus coupled to the rectifier and the DC/AC switching device for generating a driving signal to adjust a duty ratio and a frequency of the DC/AC switching device so as to regulate the DC output voltage accordingly.

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