RECONFIGURABLE SWITCHED-CAPACITOR VOLTAGE CONVERTER CIRCUIT, INTEGRATED CIRCUIT (IC) CHIP INCLUDING THE CIRCUIT AND METHOD OF SWITCHING VOLTAGE ON CHIP
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Nov 30, 2012
filing date -
Nov 30, 2012
priority date (Note) -
Abandoned
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Abstract
A configurable-voltage converter circuit that may be CMOS and an integrated circuit chip including the converter circuit and method of operating the IC chip and circuit. A transistor totem, e.g., of 6 or more field effect transistors, PFETs and NFETs, connected (PNPNPN) between a first supply (Vin) line and a supply return line. A first switching capacitor is connected between first and second pairs of totem PN FETs pair of transistors. A second switching capacitor is connected between the second and a third pair of totem FETs. A configuration control selectively switches both third FETs off to float the connected end of the second capacitor, thereby switching voltage converter modes.
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