Héhé ...
Hi, Steve
I think we could know better what Doc' wants to do ...
a "simplissime" current regulator can also be achieved with a Red Led as volt ref, two resistors ( one for LED and one for emitter current ) and a transistor.
That makes 3 cases ... if TO 220 ... makes min. 3 watts to be dissipated.
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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