LM3509: Thermal and power dissipation information

Randy Chen

Part Number: LM3509

Hi,

Customer is requesting the θJC, ψJT and the power dissipation information for the LM3509. Please help.

Best regards,

Randy Chen

0 Rodney Jones over 5 years ago

This thread has been forwarded to the engr in charge of this product. you will get a reply shortly.

0 Travis Eichhorn over 5 years ago

Randy,

You can use a 44.3C/W for junction to case and a 0.4 C/W for psi J-T. I took this from a part with the same package.

Thanks

Travis

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