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Charge pump

  • US 5,625,544 A
  • Filed: 04/25/1996
  • Issued: 04/29/1997
  • Est. Priority Date: 04/25/1996
  • Status: Expired due to Term
First Claim
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1. A charge pump circuit comprising:

  • a clock control circuit for providing a clock signal and an inverted clock signal, said inverted clock signal being approximately 180 degrees out-of-phase with respect to said clock signal;

    a plurality of diode-capacitor voltage multipliers connected in a chain, wherein alternate ones of said voltage multipliers are coupled to said respective clock and inverted clock signals; and

    an output stage for providing to an output terminal of said charge pump circuit current during both low and high transitions of said clock signal.

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