Hi,
Please clarify below query.
Refering to below test report, please let me know how the Tj is maintained at 55degC during the testing. Its the theoretical value calculated or, its monitored using a specific tool.
https://www.ti.com/quality/docs/estimator.tsp?OPN=UCC21222QDQ1&CPN=&partNumber=ucc21222#resultstable
Thanks & Regards,
Suresh.