Switching shunt regulator

Details Switching shunt regulator Switching shunt regulator

1996-04-16

1997-12-16

Berhane, Adolf

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

323282, 323315, G05F 1613

Patent

active

056989709

ABSTRACT:
A shunting regulator which is configured to act as a switch. The regulator includes an enabling input which can be used to turn it on and off when the switch is desired to be closed and opened. Preferably, the regulator includes a switching transistor connected to the enabling input which activates a drive transistor circuit. A current mirror is connected to the regulator output and provides current to both the drive circuit and a differential amplifier used for error correction. The two transistors of the differential amplifier are connected to first and second resistor divider circuits to provide the appropriate reference voltages. The invention thus provides what is essentially an adaptive current drive with a high dynamic range.

REFERENCES:
patent: 4710699 (1987-12-01), Miyamoto
patent: 4745300 (1988-05-01), Kammerer et al.
patent: 5302889 (1994-04-01), Marsh
patent: 5552644 (1996-09-01), Calder et al.

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