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POWER EFFICIENT CHARGE PUMP WITH CONTROLLED PEAK CURRENTS

  • US 20100013548A1
  • Filed: 07/18/2008
  • Published: 01/21/2010
  • Est. Priority Date: 07/18/2008
  • Status: Abandoned Application
First Claim
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1. A charge pump circuit, having input terminals for an input voltage and an oscillating voltage and an output terminal for an output voltage, the circuit comprising:

  • a flying capacitor provided in a circuit path between the terminal for the oscillating input voltage and the output terminal,a tank capacitor coupled to the output terminal and ground, anda current limiter provided in a circuit path between the terminal for the input voltage and the output terminal but outside the circuit path between the terminal for the oscillating input voltage and the output terminal.

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