Charge pump apparatus and charge pumping method
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United States of America Patent
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Jun 20, 2017
Grant Date -
Oct 15, 2015
app pub date -
Jun 26, 2015
filing date -
Nov 12, 2009
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Abstract
A charge pumping method includes: generating a first boosted voltage by boosting an input voltage by a boosting mode of a first multiplier; changing the level of a voltage charged in at least one capacitor provided in the inside of a charge pump circuit, in preparation for a change in the boosting mode; and generating a second boosted voltage by boosting the input voltage by a boosting mode of a second multiplier.
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