Integrated pulse-width modulation circuit with thermal shutdown

Details Integrated pulse-width modulation circuit with thermal shutdown Integrated pulse-width modulation circuit with thermal shutdown

1996-04-29

1997-10-07

Grimm, Siegfried H.

Modulators

Pulse or interrupted continuous wave modulator

Pulse width modulator

332110, 375238, H03K 708

Patent

active

056752970

ABSTRACT:
An integrated pulse-width modulation circuit with conditional temperature protection circuitry includes logic circuitry, a power output device, thermal shutdown circuitry to disable the power output device when the die temperature exceeds a predetermined limit, and a masking circuit that disables the thermal shutdown circuit during short term thermal increases such as those that occur when an inductive load turn off event takes place.

REFERENCES:
patent: 5461303 (1995-10-01), Leman et al.
patent: 5485487 (1996-01-01), Orbach et al.

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