Charge pump start up circuit and method thereof

Details Charge pump start up circuit and method thereof Charge pump start up circuit and method thereof

2007-05-17

2009-02-10

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

07489182

ABSTRACT:
The present invention discloses a charge pump start up circuit comprising: a start up transistor having one end which is electrically connected with a voltage supply source, and another end which is electrically connected to a voltage node; and a charge pump circuit having an input which is electrically connected with the voltage node, and an output which is electrically with the gate of the start up transistor.

REFERENCES:
patent: 4739191 (1988-04-01), Puar
patent: 5585991 (1996-12-01), Williams
patent: 6331794 (2001-12-01), Blanchard
patent: 7034587 (2006-04-01), Marotta
patent: 7342433 (2008-03-01), Harris et al.

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