Circuit with a regulated charge pump

Details Circuit with a regulated charge pump Circuit with a regulated charge pump

2009-06-23

2010-11-30

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07843252

ABSTRACT:
A circuit, method for regulation, and use thereof is provided, whereby the circuit can include a charge pump that is connected to a supply voltage terminal in order to produce a pump voltage from a supply voltage, and includes a control circuit whose inputs are connected to the output of the charge pump and to the supply voltage terminal in order to sense a difference between the pump voltage and the supply voltage as a controlled variable. The circuit is designed to compare the controlled variable to a reference variable, and output is connected to a control input of the charge pump in order to control the charge pump as a function of the comparison.

REFERENCES:
patent: 5258662 (1993-11-01), Skovmand
patent: 6172886 (2001-01-01), Lauterbach et al.
patent: 6518830 (2003-02-01), Gariboldi et al.
patent: 7710194 (2010-05-01), Kang
patent: 7724072 (2010-05-01), Baek et al.
patent: 196 27 197 (1998-03-01), None
patent: 600 28 030 (2006-12-01), None
patent: 2003-168963 (2003-03-01), None

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