Voltage regulator with phase compensation

Details Voltage regulator with phase compensation Voltage regulator with phase compensation

2006-06-27

2006-06-27

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S276000

Reexamination Certificate

active

07068018

ABSTRACT:
The present invention provides a voltage regulator which has high-speed responsibility with a low consumption current, and which can stably operate with a low output capacity. The voltage regulator includes: a reference voltage circuit, a voltage division circuit, a differential amplifier, an output transistor, a MOS transistor which has a gate to which an output of the differential amplifier is connected, a constant current circuit connected between a drain of the MOS transistor and the ground, and parallel-connected resistor and capacitor for phase compensation are connected between the drain of the MOS transistor and a gate of the output transistor.

REFERENCES:
patent: 5343122 (1994-08-01), Sugimori et al.
patent: 5852359 (1998-12-01), Callahan et al.
patent: 6218819 (2001-04-01), Tiwari
patent: 6377033 (2002-04-01), Hsu
patent: 6441594 (2002-08-01), Connell et al.
patent: 6459246 (2002-10-01), Roo
patent: 6465994 (2002-10-01), Xi
patent: 6897638 (2005-05-01), Miyanaga et al.

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