CHARGE PUMP CIRCUIT AND METHOD OF CONTROLLING SAME
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Jun 12, 2015
filing date -
Jan 14, 2015
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Abstract
A charge pump circuit includes a plurality of branches coupled in parallel, each branch including a plurality of sub-blocks coupled in series, and each sub-block including a unit pump circuit. The charge pump circuit also includes a plurality of clock transfer circuits coupled to corresponding ones of the plurality of branches for providing clock signals to the corresponding branches. The sub-blocks of different branches are enabled and driven by the clock signals at different times.
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