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TLC59401: Package thermal impedance

Part Number: TLC59401

Tool/software:

Hi Team,

Which of the following does the "Package thermal impedance" in the datasheet indicate?

RθJA: Junction-to-ambient thermal resistance
RθJC(top): Junction-to-case (top) thermal resistance
RθJB: Junction-to-board thermal resistance
ΨJT: Junction-to-top characterization parameter
ΨJB: Junction-to-board characterization parameter
RθJC(bot): Junction-to-case (bottom) thermal resistance

Best Regards,