On-chip voltage regulator

Details On-chip voltage regulator On-chip voltage regulator

2007-10-23

2007-10-23

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S513000

Reexamination Certificate

active

11209351

ABSTRACT:
An improved on-chip voltage regulator providing improved reliability by eliminating voltage stresses on critical components, comprising, a reference-signal generating block providing a first-order temperature-compensated voltage-reference signal and a first-order temperature-compensated current-reference signal, an operational-amplifier block providing a regulated voltage, connected to the outputs of said reference signal generating block; a standby protection block receiving an external signal for enabling/disabling said reference-signal generating block and said operational-amplifier block, and; a protection voltage block connected to all said blocks; wherein critical elements of said blocks are connected such that voltage difference between any two terminals is always less than the break down voltage of said critical element.

REFERENCES:
patent: 5892371 (1999-04-01), Maley
patent: 5923211 (1999-07-01), Maley et al.
patent: 6686796 (2004-02-01), Casper
patent: 6710642 (2004-03-01), Tang et al.
patent: 6803803 (2004-10-01), Starr et al.

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