Voltage regulator with reduced open-loop static gain

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

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Reexamination Certificate

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06933708

ABSTRACT:
A voltage regulator having an output terminal adapted to being connected to a load, including an operational amplifier having its non-inverting input connected to a first reference voltage, and its inverting input connected to the output terminal, an inverting stage having its input connected to the output of the operational amplifier, a power switch controlled by the output of the inverter stage, arranged between the output terminal and a supply voltage, and a charge capacitor arranged between the output terminal and a reference supply voltage, including a means for reducing the effective output impedance of the operational amplifier.

REFERENCES:
patent: 4890016 (1989-12-01), Tanaka et al.
patent: 5168209 (1992-12-01), Thiel, V
patent: 5552697 (1996-09-01), Chan
patent: 5631598 (1997-05-01), Miranda et al.
patent: 5867015 (1999-02-01), Corsi et al.
patent: 5982226 (1999-11-01), Rincon-Mora
patent: 6861827 (2005-03-01), Yang et al.
patent: 0 957 421 (2003-09-01), None

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