REDUCTION OR ELIMINATION OF IRREGULAR VOLTAGE DISTRIBUTION IN A LADDER OF VOLTAGE ELEVATORS
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Mar 11, 2013
filing date -
Oct 10, 2012
priority date (Note) -
Abandoned
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Abstract
The voltage distribution in a cascade or ladder of voltage elevator cells may become irregular in certain conditions. In such conditions, one or more cells may become overstressed. Corrective circuitry may be added to one or more of the voltage elevator cells to reduce or eliminate such stresses. Such corrective circuitry may include a capacitor, a long-channel PMOS transistor, both a capacitor and a long-channel PMOS transistor in parallel, or other electrically equivalent components coupled in parallel with the input and output node of one or more of the voltage elevator cells.
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