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METHOD OF FORMING AN OVER-VOLTAGE PROTECTION CIRCUIT AND STRUCTURE THEREFOR

  • US 20080186644A1
  • Filed: 02/05/2007
  • Published: 08/07/2008
  • Est. Priority Date: 02/05/2007
  • Status: Active Grant
First Claim
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1. An over-voltage protection circuit comprising:

  • an input configured to receive an input voltage;

    an output;

    a pass element coupled between the input and the output and configured to couple the input voltage to the output;

    a first circuit configured to disable the pass element responsively to the input voltage being no less than a first value; and

    a second circuit configured to disable the pass element responsively to the input voltage being no less than a second value that is less than the first value.

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