Adaptive thermal shutdown circuit

Details Adaptive thermal shutdown circuit Adaptive thermal shutdown circuit

1985-12-20

1987-05-19

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

361 87, 361 93, H02H 504

Patent

active

046672656

ABSTRACT:
An IC thermal shutdown circuit is based upon the thermal characteristics of a reverse biased PN junction diode. The leakage current, at bias levels below breakdown, is closely related to the high temperature IC performance limit. A hysteresis introducing circuit produces reliable switching at predetermined levels to shut down the IC when the maximum temperature limit is reached.

REFERENCES:
patent: 3906310 (1975-09-01), Esashika
patent: 4146903 (1979-03-01), Dobkin
patent: 4345218 (1982-08-01), Congdon et al.
patent: 4355344 (1982-10-01), Felici et al.
RCA Technical Notes, Thermal Shutdown Circuitry, Otto Heinrich Schade, Jr.; Mar. 2, 1981.

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