Switched capacitance voltage multiplier

Details Switched capacitance voltage multiplier Switched capacitance voltage multiplier

1997-02-14

1998-05-26

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

With voltage multiplication means

363 59, H02M 307

Patent

active

057576327

ABSTRACT:
A saw-wave generator (51) creates a saw-wave. Two comparators (COMP1, C0MP2) obtain two control signals having different duty ratios. Using these two control signals, two transistors (54, 56) are switched ON and OFF in complement and at voltage boost output when transistor (54) is OFF and transistor (56) is ON, transistor (57) is switched from ON to OFF and transistor (59) is switched from ON to OFF. A quadrupled voltage is thereby obtained.

REFERENCES:
patent: 3631259 (1971-12-01), Kiyota
patent: 4769753 (1988-09-01), Knudson et al.
patent: 5451858 (1995-09-01), Van Duyne et al.
patent: 5463542 (1995-10-01), Okamoto
patent: 5481447 (1996-01-01), Caris et al.
patent: 5491623 (1996-02-01), Jansen
patent: 5606491 (1997-02-01), Ellis
patent: 5635776 (1997-06-01), Imi

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