Other Parts Discussed in Thread: LMR33620,
Hi,
My customer requests the thermal resistance on the four-layers board condition.
Does anyone have it?
Best Regards,
Kuramochi
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Hi
we don't have data for TPS54140A, from LMR33620 PCB areas VS theta JA, it will be similar with SOIC8 compare to MSOP8 package, . You can estimated it around 30deg C/W if you have same copper as SOIC8.
You can find LMR33620 Theta JA VS PCB at its datasheet page 24.
Thanks