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TPS65023 junction temperature

Jerel Xu
Prodigy 180 points
Other Parts Discussed in Thread: TPS65023

TPS65023 thermal shutdown is 160 Celsius degree,datasheet max junction temperature is 125 Celsius degree, if TPS65023 operates between 125 and 160, is it ok? is tps65023 reliability affected?

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    TI__Mastermind 36110 points

    It is NOT good to operate any IC above the absolute maximum operating conditions.  Continuously operating in  thermal shutdown will degrade an ICs reliability.  Thermal shutdown is intended to be a function to save the IC from imediate damage if operating conditions would cause the junction temperature to rise above the thermal setpoint.  All systems should be designed to keep junction temperatures below the datasheet's absolute maximum limits.