Shunt regulator

Details Shunt regulator Shunt regulator

1988-08-02

1989-11-07

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 330288, G05F 320

Patent

active

048795062

ABSTRACT:
A voltage supply circuit provides a desired regulated voltage at an output utilizing a PNP and an NPN current mirror arranged to oppose one another. The NPN current mirror includes a pair of transistors operated at different current densities which produce a delta V.sub.BE voltage that is used to produce a reference current. The reference current is used to derive the regulated voltage which is a function of two independent resistor ratios.

REFERENCES:
patent: 3887863 (1975-06-01), Brokaw
patent: 4362985 (1982-12-01), Tsuchiya
patent: 4477737 (1984-10-01), Ulmer et al.
patent: 4495425 (1985-01-01), McKenzie
patent: 4507573 (1985-03-01), Nagano
patent: 4645998 (1987-02-01), Shinohara et al.

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