Charge pump type booster circuit

Details Charge pump type booster circuit Charge pump type booster circuit

1999-04-08

2000-08-01

Wong, Don

Electric lamp and discharge devices: systems

Current and/or voltage regulation

315307, 307110, 327536, 363 60, G05F 100

Patent

active

060971614

ABSTRACT:
In a charge pump type booster circuit, a capacitance coupling is performed between each capacitor of a charge pump series and each capacitor of another charge pump series by an equalizer, and a discharge current of the capacitors of one charge pump series is used as a charging current for the capacitors of the other charge pump series. Thereafter, each capacitor in each charge pump series is subjected to a generally high or low potential coupling by a driver circuit. As a result, the sum of charge/discharge currents of the capacitors in each charge pump series can be half as much as compared to when a single charge pump type booster circuit is provided. Even when a number n of stages of the charge pump series is increased, the power consumption can be reduced.

REFERENCES:
patent: 5422586 (1995-06-01), Tedrow et al.
patent: 5589793 (1996-12-01), Kassapian
patent: 5650671 (1997-07-01), Pascucci et al.
patent: 5701096 (1997-12-01), Higshiho
patent: 5821701 (1998-10-01), Teggatz et al.
patent: 5874847 (1999-02-01), Kim et al.
patent: 5907484 (1999-05-01), Kowshik et al.
patent: 6016073 (2000-01-01), Ghilardelli et al.
patent: 6037622 (2000-03-01), Lin et al.

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