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APPARATUSES, METHODS, AND SYSTEMS FOR CIRCUITRY USING SYNCHRONOUS RECTIFIERS

  • US 20180191267A1
  • Filed: 01/03/2017
  • Published: 07/05/2018
  • Est. Priority Date: 01/03/2017
  • Status: Abandoned Application
First Claim
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1. An alternating current (AC) to direct current (DC) converter, comprising:

  • a synchronous rectifier to convert an AC input signal to a DC output signal;

    a feedback circuit coupled to an output terminal of the synchronous rectifier to sample the DC output signal and to generate a digital signal to represent a voltage of the DC output signal;

    a controller coupled to receive the digital signal from the feedback circuit and to compare the digital signal to a threshold, and based on the comparison, to produce a binary signal; and

    a digital-to-analog converter (DAC) coupled to receive the binary signal from the controller and, based on the binary signal, to generate a DC voltage to be applied to a gate terminal of a transistor of the synchronous rectifier to adjust a DC bias voltage level of the transistor to control the voltage of the DC output signal.

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