Low voltage charge pump circuit

Details Low voltage charge pump circuit Low voltage charge pump circuit

1997-12-18

1999-08-17

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

With voltage multiplication means

H02M 3135

Patent

active

059402849

ABSTRACT:
The present invention of a low voltage charge pump circuitry divides a charge pump circuitry into separate subsections. Each of the separate subsections is composed of a plurality of diode pump units connected in series. In addition, each of the separate subsections has its own pumper clock having different high voltage level and different frequency. A novel clock level shifter circuit is designed to provide the subsequent subsection a clock signal having the elevated high voltage level.

REFERENCES:
patent: 4888738 (1989-12-01), Wong et al.
patent: 4929884 (1990-05-01), Bird et al.
patent: 5263000 (1993-11-01), Van Buskirk et al.
patent: 5352936 (1994-10-01), Allen
patent: 5612921 (1997-03-01), Chang et al.
patent: 5646894 (1997-07-01), Lin et al.
patent: 5740109 (1998-04-01), Morton et al.

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