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Uln2003 Total Power Capability


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According to the TI datasheet, the maximum emitter current (that's the sum of all the channels) is 2.5A worst case. They also spec maximum die temperature so that's the second limit on power dissipation.


Doh! Not sure how I missed that!  You are right.  I looked through the specs, but I am not sure what phrase I was looking for, whatever it was, it wasn't that.


Thanks for pointing to it!

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