Semi-conductor regulators, particularly for motor vehicle genera

Electricity: electrical systems and devices – Safety and protection of systems and devices – Voltage regulator protective circuits

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322 28, H02H 904

Patent

active

040401154

ABSTRACT:
A voltage regulator for a vehicle battery charging system includes a Darlington pair for controlling the switching of current through the field winding of a generator. The input transistor of the Darlington pair has its base connected to one input terminal of the regulator by a normally non-conductive Zener diode of breakdown voltage at least five times the nominal voltage of the system, to protect the Darlington pair against over-voltage transients.

REFERENCES:
patent: 3488560 (1970-01-01), Konopa
patent: 3723817 (1973-03-01), Leonard et al.

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