Dear, support team.
Our customer has a question on θjc in a 5pin SOP-23 package.
It has different θja in the model number even in the same DBV0005A Package.
LM7321MF/NOPB θja 325℃/W
OPA189IDBVR θja 134.5℃/W
LMP7701MF/NOPB θja 122.9℃/W
LM7341MF/NOPB θja 325℃/W
When I checked the application report "SPRA953C", it was found that it was consumed by the test board with 1.1 Usage on page 2.
Semiconductor and IC Package Thermal Metrics (Rev. C) (ti.com)
I explained to the customer that the condition of the test board was different.
Additional questions from the customer is the test condition of θja for the 4models.
Please tell me the test condition of θja of each model.
Best Regards,
Hiroaki Yuyama