Variable charge pumping DC-to-DC converter

Details Variable charge pumping DC-to-DC converter Variable charge pumping DC-to-DC converter

1990-12-11

1992-07-21

Stephan, Steven L.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, 363 59, H02M 307

Patent

active

051328950

ABSTRACT:
Two storage capacitors connected in parallel with a constant current source in a charging mode and connected in series in a second mode to increase output voltage. A comparator senses the amplitude of the output voltage and controls the current supplied to the capacitors in the charging mode to increase or decrease the output voltage to coincide with a predetermined amplitude.

REFERENCES:
patent: 3340426 (1967-09-01), Elliot
patent: 3749921 (1973-07-01), Vital et al.
patent: 4050004 (1977-09-01), Greatbatch
patent: 4134057 (1979-01-01), Portmann
patent: 4291369 (1981-09-01), Hochstrate
patent: 4404624 (1983-09-01), Yamazaki
patent: 4689734 (1987-08-01), Lang
patent: 4769753 (1988-09-01), Knudson et al.
patent: 4888673 (1989-12-01), Droege
patent: 4982315 (1991-01-01), Hoffman

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