Voltage regulator with output pull-down circuit

Details Voltage regulator with output pull-down circuit Voltage regulator with output pull-down circuit

1998-03-12

1999-01-26

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

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

G05F 140

Patent

active

058642277

ABSTRACT:
A voltage regulator circuit includes: an output transistor MP.sub.X coupled between a voltage supply node V.sub.CC and an output node V.sub.OUT ; an amplifier A.sub.1 coupled to the output transistor MP.sub.X for controlling the response of the output transistor MP.sub.X ; feedback circuitry R.sub.1 and R.sub.2 connected between the output node V.sub.OUT and the amplifier A.sub.1, the feedback circuitry R.sub.1 and R.sub.2 providing feedback to the amplifier A.sub.1 ; and a pull-down circuit PD.sub.1 coupled to the output node V.sub.OUT.

REFERENCES:
patent: 4536699 (1985-08-01), Baker
patent: 5548205 (1996-08-01), Monticelli
patent: 5648718 (1997-07-01), Edwards

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