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Power stage

  • US 8,692,591 B2
  • Filed: 10/26/2012
  • Issued: 04/08/2014
  • Est. Priority Date: 07/02/2009
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an input circuit configured and arranged to provide a drive signal in response to receiving an input voltage;

    a first set of isolation capacitive couplers provided with the drive signal from the input circuit;

    at least one differential buffer stage, having a high side buffer stage and a low side buffer stage, configured and arranged to receive the drive signal from the first set of isolation capacitive couplers; and

    an output stage, between a high voltage rail and a low voltage rail, configured and arranged to drive an isolation transformer through a second set of isolation capacitive couplers in response to the drive signal received from the at least one differential buffer stage.

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