Hello,

I might be disturbing you with a very simple question, but I ran out of
solutions for this problem.
I have designed a power supply which gives 13.8V, with the adjustable
LM338, and tied to the output, the input of an LM7805, in order to
obtain 5V also (I need both 13.8V and 5V). Is it ok to do this ? Because
when I power the board, the 7805 gets very hot quickly and I had to pull
it off (there is no power consumption as I haven't planted all the IC's
yet).
I am wondering what could be the cause of this, as all the connections
are ok.
Please give me a suggestion. Thank you !

Lucian

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