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ADM3053: Why is the temperature under operation high?

Question asked by DMN on Nov 18, 2013
Latest reply on Nov 19, 2013 by RAnslow

Dear all,


We made the prototype of the product which used ADM3053 now.


However, only ADM3053 on a substrate has 50 degrees C of temperature.

Ambient air temperature is 25 degrees C.


Vcc is 5V.

Vio is 3.3V.

CAN speed is 500kbps.

Temperature is measured where a CAN communication line is open.


Is this condition normal as ADM3053?

The circuit of the ADM3053 neighborhood is attached.

If there's anything that comes to your attention about that please let me know.


Best Regards,