Convertible charge-pump circuit for generating output...

Details Convertible charge-pump circuit for generating output... Convertible charge-pump circuit for generating output...

2008-10-06

2011-11-08

Nguyen, Matthew (Department: 2838)

Electric power conversion systems

Current conversion

With voltage multiplication means

C363S060000, C363S061000, C363S062000

Reexamination Certificate

active

08054658

ABSTRACT:
A convertible charge-pump circuit includes: a charging circuit having a plurality of charging capacitors and a pumping circuit having an output port coupled to a pumping capacitor. The charging circuit is configured for charging the charging capacitors to store a plurality of potential differences, respectively, when the convertible charge-pump circuit is in a charging phase. The pumping circuit is configured for selecting at least one charging capacitor from the charging capacitors charged in the charging phase to generate an output voltage level at the output port according to a potential difference stored in the selected charging capacitor when the convertible charge-pump circuit is in a pumping phase.

REFERENCES:
patent: 6411531 (2002-06-01), Nork et al.
patent: 6920055 (2005-07-01), Zeng et al.
patent: 2007/0091655 (2007-04-01), Oyama et al.
patent: 2007/0139982 (2007-06-01), Ueno et al.

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