Overload protection circuit using a no-trim circuit for computer

Details Overload protection circuit using a no-trim circuit for computer Overload protection circuit using a no-trim circuit for computer

1997-07-21

1998-09-29

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 86, 361106, H02H 700

Patent

active

058153519

ABSTRACT:
In a computer, an overload protection circuit for protecting the computer's power supply from overload over a wide ambient temperature range. The overload protection circuit, which compares two voltage signals in order to shut off the computer power supply when certain limits are exceeded, is implemented without any pots or other trim circuits. Instead, a resistive temperature device is utilized to counter the effects of increasing ambient temperature on the overload protection circuit.

REFERENCES:
patent: 4467386 (1984-08-01), Wasson
patent: 4614906 (1986-09-01), Maxham
patent: 5309309 (1994-05-01), Weber
patent: 5465188 (1995-11-01), Pryor et al.
patent: 5640059 (1997-06-01), Kammiller et al.

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