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Supply independent low quiescent current undervoltage lockout circuit

  • US 6,842,321 B2
  • Filed: 03/26/2002
  • Issued: 01/11/2005
  • Est. Priority Date: 03/27/2001
  • Status: Active Grant
First Claim
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1. A circuit comprising:

  • a comparator;

    an IPTAT generator;

    a first input of the comparator coupled to a first node of the IPTAT generator, wherein the first node forms a bandgap voltage with respect to a reference node; and

    a second input of the comparator coupled to a second node of the IPTAT generator, wherein the second node forms a bandgap voltage with respect to an input node.

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