Voltage booster with an acceleration circuit

Details Voltage booster with an acceleration circuit Voltage booster with an acceleration circuit

1997-05-14

1998-06-16

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

323284, 307110, H02M 318, G05F 140

Patent

active

057681155

ABSTRACT:
A voltage booster comprising a charge pump for generating a boost voltage over a boost line. The booster comprises a comparator which is supplied by a voltage divider with a voltage proportional to the boost voltage, and by a reference source with a low reference voltage, and which, depending on the outcome of the comparison, enables or disables the charge pump. A voltage limiter is connected between the boost line and ground; and a acceleration circuit accelerates the voltage increase on the acceleration line following low-power operation in which the paths toward ground are interrupted for reducing consumption.

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patent: 4933827 (1990-06-01), Olivo
patent: 5029269 (1991-07-01), Elliott et al.
patent: 5059815 (1991-10-01), Bill et al.
patent: 5168174 (1992-12-01), Naso et al.
patent: 5394320 (1995-02-01), Blodgett
patent: 5526253 (1996-06-01), Duley

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