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TPS53312 thermal issue

Munin Lin
Prodigy 230 points
Other Parts Discussed in Thread: TPS53312

Hello,

Could you provide thetaJC to calculate Tj for TPS53312?

Thanks.

  • 0
    TI__Guru**** 191445 points

    Here are the thermal parameters for TPS53312:

    Result- Theta JA-High K (standard datasheet value)

    		 46.1 

    Result-Theta JC, top (standard datasheet value)

    		 58.1 

    Result-Theta JB (standard datasheet value)

    		 18.8 

    Result- Psi JT (standard datasheet value)

    		 1.3 

    Result- Psi JB (standard datasheet value)

    		 18.8 

    Result-Theta JC, bottom (standard datasheet value)

    		 4.8 

    Modelling Assumptions
    C/W