Charge pump warm-up current reduction

Details Charge pump warm-up current reduction Charge pump warm-up current reduction

2007-11-07

2010-02-23

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S156000, C327S157000, C331S017000, C363S059000

Reexamination Certificate

active

07667529

ABSTRACT:
A charge pump circuit includes a voltage controlled oscillator. The voltage controlled oscillator operates at a lower frequency during a warm-up mode, and operates at a higher frequency during a loading mode. The lower frequency operation during the warm-up mode reduces power supply current requirements.

REFERENCES:
patent: 6169444 (2001-01-01), Thurber, Jr.
patent: 6194920 (2001-02-01), Oguri
patent: 6538930 (2003-03-01), Ishii et al.
patent: 2002/0145892 (2002-10-01), Shor et al.
patent: 2005/0093613 (2005-05-01), Nazarian et al.
patent: 2008/0068056 (2008-03-01), Poulton et al.

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