Overcurrent protection circuit for a multiple output switching p

Details Overcurrent protection circuit for a multiple output switching p Overcurrent protection circuit for a multiple output switching p

1982-06-30

1984-05-08

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 92, 363 56, H02H 7122

Patent

active

044478410

ABSTRACT:
An overcurrent protection circuit and method therefor for use in a multiple output switched power supply wherein the overcurrent condition accompanying a short circuit or an overload in an output circuit is detected as an undervoltage in a transformer. When the undervoltage exceeds a threshold the power supply is switched off and then on again during the cycling of a low frequency oscillator until the short or overload is removed in order to maintain the average power through the output circuit at a safe level.

REFERENCES:
patent: 3122697 (1964-02-01), Kauders
patent: 3200348 (1965-08-01), Kammiller et al.
patent: 3733519 (1973-05-01), Griffey
patent: 3758841 (1973-09-01), Bourbeau
patent: 4024437 (1977-05-01), Suzuki
patent: 4156273 (1979-05-01), Sato
patent: 4315303 (1982-02-01), Snyder

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