I have some questions of ADM3202.1. Let me know the junction temperature of the package RU-16.2. I understand that the junction temperature is equal to the strage maximum temperature.
Is my understanding right ?
The ADM3202 data sheet provides a thermal impedance of:
RU-16 (4-Layer Test Board) 113°C/W
The data sheet also provides a power dissipation of:
Power Dissipation (Derates 6 mW/°C above 50°C) 450 mW
The junction temperature (TJ) at maximum ambient operating temperature (TA, 85C) may be estimated by the calculation:
TJ = TA + (Thermal Impedance)*(Power dissipation)
TJ = 85°C + (113°C/W)*(0.45-0.21) = 112.12°C
112.2°C is the highest junction temperature that you will see in a typical application.
This is much less than the 150°C storage temperature quoted on the data sheet.
Thank you for your kindness.
You've been very helpful.
Good luck with your project !
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