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LMR38020: Ta

Part Number: LMR38020

Tool/software:

Hi team,

Regarding the Ta mentioned in LMR38020 specification, as shown in the figure below, please help confirm what specific measurement conditions this refers to. Does it refer to the ambient temperature a few centimeters away from the chip or the temperature of the PCB board directly connected to the chip? The specification is attached.

Thanks

Lillian