High voltage charge pumps with series capacitors

Details High voltage charge pumps with series capacitors High voltage charge pumps with series capacitors

1990-04-05

1991-10-22

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072962, 363 60, H03K 1766, H02J 1100

Patent

active

050598155

ABSTRACT:
A charge pump circuit is provided comprising a MOS capacitor, a capacitor ("series capacitor") connected in series, a MOSFET diode, and a voltage clamp connected to the common node of the MOS capacitor and the series capacitor. A number of these charge pump circuits may be cascaded to form a multi-stage charge pump circuit. Each charge pump circuit may attain output voltage higher than the oxide breakdown voltage of each individual MOS capacitor. This charge pump circuit can also operate under low voltage power supply conditions.

REFERENCES:
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patent: 4839787 (1989-06-01), Kojima et al.
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patent: 4922402 (1990-05-01), Olivo et al.
patent: 4962512 (1990-10-01), Kiuchi
patent: 4970409 (1990-11-01), Wada et al.
"Analysis and Design of Digital Integrated Circuits", Hodges et al., McGraw-Hill, pp. 88-91, 1983.

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