Voltage regulator

Details Voltage regulator Voltage regulator

2011-06-07

2011-06-07

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S217000

Reexamination Certificate

active

07956588

ABSTRACT:
A voltage regulator has an error amplifier circuit, and a phase compensation circuit having a capacitor connected in parallel to first and second series-connected resistors. A control transistor has its source-drain path connected between input and output terminals of the phase compensation circuit and its gate connected to a junction point between the first and second resistors. In a transient stage in which the output voltage of the error amplifier circuit changes, the resistance of the phase compensation circuit decreases thereby improving the transient response characteristics of the voltage regulator.

REFERENCES:
patent: 5686820 (1997-11-01), Riggio, Jr.
patent: 7068018 (2006-06-01), Kanakubo
patent: 2005/0162141 (2005-07-01), Kanakubo
patent: 2005215897 (2005-08-01), None

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