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Lm2596Adj temperature

digambar bendale88
Prodigy 40 points
Other Parts Discussed in Thread: LM2596

If I use LM2596Adj for 12V/3A output. What will be maximum junction/case temperature of LM2596Adj.

What is safe operating temperature so that LM2596Adj will not get damaged.

does temperature stabilizes after some time.

  • 0
    TI__Guru 72035 points

    The operating junction temperature of any regulator depends on the power dissipation, the package thermal constants, the size of heat sink and/or PCB,

    and the ambient thermal conditions.  The data sheet for the LM2596 describes in detail the temperature rise for a given set of conditions. 

    Also, app note SNVA419 gives some helpful suggestions about thermal design.

    The simplest way to design you application is to use the Webench Design tool; it will give you an idea about the junction temperature for a given condition.snva419c-1.pdf

    I have attached the app note.