Fast voltage regulation without overshoot

Details Fast voltage regulation without overshoot Fast voltage regulation without overshoot

1998-07-23

1999-10-26

Nelms, David

Static information storage and retrieval

Powering

365205, G11C 700

Patent

active

059739800

ABSTRACT:
An on-chip voltage regulator for controlling a gate of a regulator transistor having a first terminal coupled to receive an external power supply voltage and a second terminal coupled to provide a regulated voltage level to an internal circuit formed on a chip on which the on-chip voltage regulator is formed. The on-chip voltage regulator includes circuitry for detecting when a high current load to which the second terminal of the regulator transistor is coupled is activated. A control transistor is provided having a first terminal coupled to receive the external power supply voltage, a second terminal coupled to the gate of the regulator transistor, and a gate responsive to the means for detecting. In operation, a control voltage with an overshoot portion having preselected duration is generated on the gate of the regulator transistor in response to the activation of the high current load.

REFERENCES:
patent: 5097303 (1992-03-01), Taguchi
patent: 5321324 (1994-06-01), Hardee et al.
patent: 5442277 (1995-08-01), Mori et al.
patent: 5587648 (1996-12-01), Jinbo et al.

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