LM79: What is the thermal resistance of the LM79?

R.Fukunaga

Expert 2065 points

Part Number: LM79
Other Parts Discussed in Thread: UA79, UA78

Hi all,

I am comparing UA79 with LM79.

UA78 and UA79 family become EOL, So my cutomer will replace UA family to LM78, LM79 family.

LM7905CT/NOPB), what is the thermal resistance (contact - thermal pad) value?

I would be happy if I could compare with the following data of UA79.

Best Regards,

Ryusuke

over 1 year ago

0 Juliette over 1 year ago

TI__Mastermind 18466 points

Hey Ryusuke,

CT is the TO-223 Package:

Best,

Juliette

0 R.Fukunaga over 1 year ago in reply to Juliette

Expert 2065 points

Hi Juliette,

Thank you for your reply.

Is LM7905CT TO-223 Package? Isn't it a TO-220 package?

Should I refer to this value of TO -220? Is there any value of θjp?

Best Regards,

Ryusuke

0 Juliette over 1 year ago in reply to R.Fukunaga

TI__Mastermind 18466 points

apologies, I mistyped. TO-220, as shown in the screen shots. I can submit a request with the thermal modelling team, and they may get back to us within the next two weeks. Would you like me to submit for the Theta-JP?

Best,

Juliette

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LM79: What is the thermal resistance of the LM79?