Dependence of thermal resistance on ambient and actual temperature

We investigate the temperature dependence of thermal resistance. We extract the thermal resistance as a function of ambient temperature. The increase of thermal resistance due to self-heating leads to a non-linear relation between temperature and power dissipation. We show how to implement this in a...

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Bibliographic Details
Main Authors: Paasschens, J.C.J., Harmsma, S., van der Toorn, R.
Format: Conference Proceeding
Language:English
Subjects:
Applied sciences
Electrical resistance measurement
Electronics
Exact sciences and technology
Gallium arsenide
Heat sinks
Modems
Power dissipation
Temperature dependence
Temperature distribution
Testing, measurement, noise and reliability
Thermal conductivity
Thermal resistance
Voltage
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Summary:We investigate the temperature dependence of thermal resistance. We extract the thermal resistance as a function of ambient temperature. The increase of thermal resistance due to self-heating leads to a non-linear relation between temperature and power dissipation. We show how to implement this in a compact model and what its effect is on simulations at high power dissipation.
DOI:10.1109/BIPOL.2004.1365754