We are going to design the ADM13307 , but i can't find the Tj spec in the datasheet , could you help to check the spec?
Thanks for your help.
Good day. Do you mean the maximum operating junction temperature?
Yes , could you help to check the spec.
Thanks for the clarification. The junction temperature is something we do not provide on the datasheet because it actually depends on your ambient operating temperature and on your application board as well. We provide the theta-JA instead, on table 9 of the datasheet.
Yes , we knew the Tj will depend on ambient operating temperature , but I would like to know the Tjmax to makesure the Tj is under the Tjmax.
the way to calculate the max junction temperature is to use ThetaJA and the device's max power dissipation.
in the case of ADM13307 the power dissipation is so small that the difference between max Tj and max Ta are minor, so you can assume the max Tj is the max Ta. that's assuming by max Tj you mean the maximum Tj to allow the device to still perform under the data sheet specification.
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