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Voltage regulator with bypass mode

  • US 20060164054A1
  • Filed: 01/25/2005
  • Published: 07/27/2006
  • Est. Priority Date: 01/25/2005
  • Status: Active Grant
First Claim
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1. A step down voltage regulator comprising devices designed to operate at a maximum device voltage lower than a supply voltage, comprising:

  • an output regulation device coupled to the supply voltage and an output;

    an output device protection circuit responsive to the supply voltage and the output to ensure that the maximum device voltage of the output regulation device is not exceeded; and

    a bypass circuit having a bypass output device and being coupled to the supply voltage, the bypass circuit including protection circuitry enabled when the supply is at said maximum device voltage.

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