Overvoltage protection circuit for power supply

Details Overvoltage protection circuit for power supply Overvoltage protection circuit for power supply

1984-11-02

1986-01-21

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

323285, 361 55, 361 56, 361 91, H02H 320

Patent

active

045660522

ABSTRACT:
Circuitry for use in a power supply of the type which includes a power switching means and uses a waveform of predetermined shape to control the power switching means such as in a first mode the supply regulates its output voltage and in a second mode controls the current in the power switching means. The circuitry attempts to turn the supply off in response to an overvoltage condition at its output and failing that provides a short circuit path so that current sufficient to cause the fuse in the output to open will flow therethrough.

REFERENCES:
patent: 3594612 (1971-07-01), Gately
patent: 3809999 (1974-05-01), Smith
IBM Tech. Dis. Bul., "Constant-Voltage Switching Regulator"--Ruddy, vol. 14, No. 9, 2/72.

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