Wide dynamic current range switching regulator

Details Wide dynamic current range switching regulator Wide dynamic current range switching regulator

1975-03-05

1976-08-10

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

321 2, 323 22T, 323DIG1, G05F 160

Patent

active

039744396

ABSTRACT:
A switching regulator is adaptable for connection to a DC power source to serve as a power supply. A self-oscillating switching regulator has an output voltage feedback circuit connected thereto which interrupts the self-oscillating circuit when the output voltage rises above a prescribed level. The current that flows through a power switch of the regulator is sensed and when it gets beyond a predetermined amount, a Schmidt trigger circuit is turned off. The Schmidt trigger circuit then turns off the power switch, permitting the inductor in the switching regulator circuit to supply current to an output filter capacitor. When the voltage across the capacitor builds up to a prescribed level, the feedback circuit detects the level and deactivates the Schmidt trigger which turns off the power switch.

REFERENCES:
patent: 3381202 (1968-04-01), Loucks et al.
patent: 3571697 (1971-03-01), Phillips
patent: 3579090 (1971-05-01), Madsen
patent: 3869660 (1975-03-01), Davis et al.

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