On/off charge pump

Details On/off charge pump On/off charge pump

2007-06-19

2007-06-19

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S537000

Reexamination Certificate

active

11099660

ABSTRACT:
A method includes controlling the connection of a charge pump output to a load capacitor as a function of activation control signals to an oscillator controlling the charge pump. A charge pump system includes a charge pump, an oscillator, a switching element and an enable signal generator. The switching element connects and disconnects the charge pump from a load capacitor. The enable signal generator is connected to the oscillator and to the switching element and enables and disables the oscillator and the switching element as a function of the output of the charge pump.

REFERENCES:
patent: 5276646 (1994-01-01), Kim et al.
patent: 6259612 (2001-07-01), Itoh
patent: 6642775 (2003-11-01), Imamiya
patent: 2003/0169097 (2003-09-01), Henry

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