Three reservoir capacitor

Details Three reservoir capacitor Three reservoir capacitor

1989-01-27

1989-12-19

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, H02M 725

Patent

active

048886777

ABSTRACT:
A charge pump circuit operates from a voltage provided on an input rail at a first potential relative to a reference potential rail and that provides second and third potentials relative to the reference potential rail on first and second output rails, respectively. The charge pump circuit includes first, second and third charge reservoir capacitors, an oscillator and control logic circuit for providing timing control signals, and a switch network responsive to the timing control signals for coupling the first, second and third capacitors in a plurality of configurations. The switch network also provides for the decoupling of the capacitors from between the input rail and the reference potential rail between transitions of these configurations.

REFERENCES:
patent: 3790812 (1974-02-01), Fry
patent: 4068295 (1978-01-01), Portmann
patent: 4106086 (1978-08-01), Holbrook et al.
patent: 4636930 (1987-01-01), Bingham et al.
patent: 4777577 (1988-10-01), Bingham et al.
patent: 4797899 (1989-01-01), Fuller et al.

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