Charge pump circuit outputting high voltage without high voltage-endurance electric devices
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
May 26, 2016
filing date -
May 26, 2016
priority date (Note) -
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Abstract
The charge pump circuit includes multiple boosting stages, and each stage includes following units. A first switch circuit is controlled by a first clock signal to couple a second terminal of a first capacitor to a first input terminal or a second input terminal. A third switch circuit is controlled by a second clock signal to couple a second terminal of a second capacitor to the first input terminal or the second input terminal. A second switch circuit is controlled by electric potentials on the second capacitor to couple a first terminal of the first capacitor to the first input terminal or an output terminal. The fourth switch circuit is controlled by electric potentials on the first capacitor to couple a first terminal of the second capacitor to the first input terminal or the output terminal.
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