Voltage regulation with active supplemental current for...

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2008-05-13

2008-05-13

Richards, N. Drew (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S543000, C365S226000

Reexamination Certificate

active

07372320

ABSTRACT:
Techniques for efficiently stabilizing an output voltage produced by a voltage regulation circuit are disclosed. One embodiment pertains to a voltage regulation circuit that includes a supplemental current source that can be controllably activated to provide a supplemental current to an output terminal of the voltage regulation circuit. This supplemental current can then assist in stabilizing the output voltage level at the output terminal of the voltage regulation circuit even in the presence of high current surges by a load (i.e., electronic circuitry). Advantageously, given the availability of the supplemental current, the required amount of capacitance for a decoupling capacitor (also coupled to the output terminal of the voltage regulation circuit) can be significantly reduced. In the case of semiconductor electronic devices, the reduction in the needed capacitance yields substantial die area savings with respect to decoupling capacitors.

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