Integrated voltage regulator

Details Integrated voltage regulator Integrated voltage regulator

1984-04-02

1986-02-11

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

G05F 320

Patent

active

045701148

ABSTRACT:
An integrated voltage regulator is provided that includes an NPN shunt transistor that improves regulation and reduces chip size. A regulator circuit is coupled between an output node and a second supply voltage terminal for biasing an output emitter follower transistor. A voltage divider is coupled between a first supply voltage terminal and the second supply voltage terminal and biases the NPN shunt transistor. The NPN shunt transistor is coupled between the output node and the second supply voltage terminal for shunting excess current from the output node as the voltage on the first supply voltage terminal increases.

REFERENCES:
patent: 4490670 (1984-12-01), Wong

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