Fast switching smartfet

Details Fast switching smartfet Fast switching smartfet

1997-01-10

1998-06-02

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

361 58, H02H 504

Patent

active

057610207

ABSTRACT:
In a power integrated device having temperature monitoring circuits powered from input signal pulses, an overtemperature signal is memorized in a small capacitor (30 picofarads) to guarantee that the overtemperature signal will not be lost between two input pulses at a frequency greater than about 16 kHz. A larger charge storage capacitor (100 picofarads) is also added to store the input voltage V.sub.cc needed to power the overtemperature circuits.

REFERENCES:
patent: 4910631 (1990-03-01), Murphy
patent: 5424892 (1995-06-01), Topp et al.
patent: 5497285 (1996-03-01), Nadd
patent: 5550701 (1996-08-01), Nadd et al.
patent: 5555152 (1996-09-01), Brauchle et al.

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