Voltage regulator circuitry having low quiescent current drain a

Details Voltage regulator circuitry having low quiescent current drain a Voltage regulator circuitry having low quiescent current drain a

1980-08-25

1982-03-09

Beha, Jr., William H.

Electricity: power supply or regulation systems

Output level responsive

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

361 18, G05F 158

Patent

active

043191797

ABSTRACT:
The voltage regulator circuit includes a Darlington pass device, a feedback circuit and an error amplifier connected between the feedback circuit and the Darlington pass device. The error amplifier is arranged to conduct a current which is proportional to the control current of the pass device so that under standby conditions when the control current of the pass device has a low magnitude the power dissipation of the voltage regulator is minimized. A high voltage sustaining transistor, which is connected between the pass device and the error amplifier, is arranged to have a high voltage sustaining capability.

REFERENCES:
patent: 3671770 (1972-06-01), Frederiksen
patent: 3939399 (1976-02-01), Fanatsu et al.

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