Electric power conversion systems – Current conversion – With voltage multiplication means
Patent
1995-04-14
1997-02-18
Wong, Peter S.
Electric power conversion systems
Current conversion
With voltage multiplication means
363 59, 327536, H02M 318
Patent
active
056046715
ABSTRACT:
A charge pump circuit for boosting a supply voltage has two bipolar transistors instead of MOS transistors for obtaining a large current drivability without enlargement in the size of the circuit. One of the bipolar transistors replenishes charge to an internal charge-up node from a high potential source line and the other of the bipolar transistors supply output current to a load. The latter of the bipolar transistors may be replaced by a resistor and a plurality of the charge pump circuits may be cascaded for obtaining a higher boosting function of potential and a large current drivability.
REFERENCES:
patent: 4527213 (1985-07-01), Ariizumi
patent: 4961007 (1990-10-01), Kumanoya et al.
patent: 5280420 (1994-01-01), Rapp
patent: 5289062 (1994-02-01), Wyland
patent: 5426333 (1995-06-01), Meada
Berhane Adolf
NEC Corporation
Wong Peter S.
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