MOS charge pump

Details MOS charge pump MOS charge pump

2007-01-02

2007-01-02

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

11047668

ABSTRACT:
A passive charge pump includes a plurality of stages or a single stage, with each stage including only two MOS transistors. Both of the transistors are configured in a transcapacitance configuration, and both transistors are primarily in the accumulation mode during operation. Embodiments of the charge pump rely entirely on the MOS capacitance and its embedded diode features to perform the necessary charge accumulation and transfer process necessary for voltage multiplication at the output and do not require any collateral capacitors and diodes. The charge pump may be embodied in an MOS technology, nMOS, pMOS, or CMOS.

REFERENCES:
patent: 6137344 (2000-10-01), Miki
patent: 6166585 (2000-12-01), Bazzani
patent: 6198342 (2001-03-01), Kawai
patent: 6501325 (2002-12-01), Meng
patent: 6549064 (2003-04-01), Bandy et al.
patent: 6819162 (2004-11-01), Pelliconi
patent: 6864738 (2005-03-01), Du et al.
patent: 2002/0149416 (2002-10-01), Bandy et al.

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