Duty cycle based charge pump controller

Details Duty cycle based charge pump controller Duty cycle based charge pump controller

1998-10-26

2000-09-05

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

With voltage multiplication means

H02M 318

Patent

active

061152722

ABSTRACT:
An internal supply generator includes a charge pump, at least one regulator and a pump controller. The charge pump generates a charge pump signal whose voltage is higher than an input supply voltage. Each regulator produces a generally stable internal supply from the charge pump signal. The pump controller activates the charge pump whenever the charge pump signal falls to within a predetermined voltage of the voltage level of one of the internal supplies.

REFERENCES:
patent: 5589762 (1996-12-01), Iannuzo
patent: 5672952 (1997-09-01), Szepesi
patent: 5677617 (1997-10-01), Tokai et al.
patent: 5680300 (1997-10-01), Szepesi et al.

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