Method and apparatus for regulated low voltage charge pump

Details Method and apparatus for regulated low voltage charge pump Method and apparatus for regulated low voltage charge pump

1995-07-03

1997-12-02

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, H02M 762, H02M 318

Patent

active

056943083

ABSTRACT:
Generation of an output voltage (28) greater than that of a reference voltage (20) is accomplished using a self starting low voltage charge pump (10). A start-up clock circuit (12) comprising a ring oscillator (40) is used to generate a ting oscillator clock signal (63) which can be used allow the charge pump (10) to begin operation before an external clock signal (44) is available.

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patent: 5003197 (1991-03-01), Nojima et al.
patent: 5051981 (1991-09-01), Kline
patent: 5193198 (1993-03-01), Yokouchi
patent: 5307028 (1994-04-01), Chen
patent: 5389898 (1995-02-01), Taketoshi et al.
patent: 5392205 (1995-02-01), Zavaleta
patent: 5399956 (1995-03-01), DeLuca et al.
patent: 5416446 (1995-05-01), Holler, Jr. et al.
patent: 5477196 (1995-12-01), Yamauchi et al.
patent: 5483486 (1996-01-01), Javanifard et al.
K. Ogata; "Modern Control Engineering;" Second Edition; Ch. 7 Lag-Lead Compensation; pp. 576-577 (1990).

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