Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-08-14
2000-05-09
Cunningham, Terry D.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327543, 323313, 323315, G05F 110
Patent
active
060609443
ABSTRACT:
A voltage regulator circuit for regulating an input voltage supply. The voltage regulator includes a first n-channel transistor. The first n-channel transistor includes a gate and a source/drain region that provides an output for the regulator circuit. The voltage regulator also includes a second n-channel transistor. The second n-channel transistor includes a gate that is coupled to the gate of the first n-channel transistor and further includes a first source/drain region that is coupled to the source/drain region of the first n-channel transistor. The first n-channel transistor is sized so as to provide lower drive current than the second n-channel transistor. The voltage regulator also includes a selector circuit that is coupled to a second source/drain region of the second n-channel transistor that selectively decouples the second n-channel transistor from the output of the voltage regulator circuit based on a state of the functional circuit.
REFERENCES:
patent: 4771228 (1988-09-01), Hestor et al.
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patent: 5187429 (1993-02-01), Phillips
patent: 5373477 (1994-12-01), Sugibayashi
patent: 5563504 (1996-10-01), Gilbert et al.
patent: 5594326 (1997-01-01), Gilbert
patent: 5629613 (1997-05-01), Marzolf et al.
patent: 5703477 (1997-12-01), Punzenberger
Cunningham Terry D.
Micro)n Technology, Inc.
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