Short circuit protected capacitive load driver

Details Short circuit protected capacitive load driver Short circuit protected capacitive load driver

1993-03-05

1995-07-11

Young, Brian K.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 91, 361 93, H03K 500

Patent

active

054326656

ABSTRACT:
A capacitive load driver is protected from short circuits to supply or to ground. The load driver includes an edge detecting monostable circuit and a plurality of sets of field effect transistor (FET) output devices, one set of the FET output devices having a low drain-to-source resistance and another set having a high drain-to-source resistance. The low resistance FET output devices provide a desired rise time voltage requirement on a capacitive load being driven. The high resistance FET output devices limit power dissipated under a short circuit to a predetermined amount.

REFERENCES:
patent: 4329600 (1982-05-01), Stewart
patent: 5051609 (1991-09-01), Smith

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