Voltage regulator for direct current power supply

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

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323901, G05F 156

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043756140

ABSTRACT:
A power supply (17) having a regulator featuring a series pass transistor (150) connected as a common collector amplifier is shown. The power supply is turned on and off by switching devices (11, 151, 160, 159) which control base current only to a transistor switch (155, 170) operating analog circuitry (157) which controls the pass transistor. Microcomputer control (181) of the power supply and self latching embodiments are also shown. The power supply shown herein can successfully regulate output voltages which differ from the raw DC input by no more than the saturation voltages of series pass transistor.

REFERENCES:
patent: 3201680 (1965-08-01), Ross et al.
patent: 3549983 (1970-12-01), Sprogis
patent: 3831081 (1974-08-01), Weiss
Wireless World, vol. 82, No. 1485, pp. 83-84, May 1976.
Electronic Engineering, vol. 51, No. 626, p. 24, Aug. 1979.

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