Switching d-c. regulator and load-sharing system for multiple re

Details Switching d-c. regulator and load-sharing system for multiple re Switching d-c. regulator and load-sharing system for multiple re

1978-01-16

1982-11-16

Pellinen, A. D.

Electricity: power supply or regulation systems

Output level responsive

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

340661, 363 26, 363 49, 363 56, H02M 3335

Patent

active

043596797

ABSTRACT:
In a system of parallel switching regulators sharing a common load, each regulator generates controllable pulses from an unregulated d-c. voltage source and then smoothing those pulses to form a d-c. output that varies according to changes in the pulses. A comparator controls the pulses according to the differential between a reference signal and a feedback signal, and an output resistor is connected between the comparator and the load. A reference signal source generates a reference signal for the comparator in a first one of the regulators, and the load side of the output resistor in the first regulator is connected to the feedback signal input to the comparator in that regulator so that the load voltage is determined by the reference signal for the first regulator. The comparator side of the output resistor in the first regulator is connected to the reference signal input to the comparator in a second one of the regulators, and the comparator side of the output resistor in the second regulator is connected to the feedback signal input to the comparator in the second regulator so that the current supplied to the load by the second regulator is equal to the current supplied by the first regulator.

REFERENCES:
patent: 3284696 (1966-11-01), Nagata et al.
patent: 3740569 (1973-06-01), Garcia
patent: 3818307 (1974-06-01), Hamilton et al.
patent: 3921059 (1975-11-01), Birman et al.
patent: 3978393 (1976-08-01), Wisner et al.
patent: 4034280 (1977-07-01), Cronin et al.
Eckhardt, "Regulator for Op Amp Practically Powers Itself", Electronics, Oct. 3, 1974, p. 106.

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