Searching for "lcbn smd" quickly told me it's an LT3080.
Ah, while typing, I see amyk came to the same conclusion.
the unit its from is an item attached to a film camera. its prosperity and it would be useless to really attempt to go into to here.
It's NEVER "useless" to provide information to the people from whom you are asking for help. And you should darned well make an effort to write clearly and without errors.
i know this will be a tough nut to crack. but looking at how so many pins are tied together
im thinking mosfet? some kind of switch ?
It took me, like, 3 minutes. So no, not
that tough to crack. Practice googling for partial part numbers/markings, and with the right additional keywords (like "smd") to put Google on the right track.
in the second photo those 3 tied together end up right in between the 2 resistors just below it.
How do you repair electronics if you don't even understand what a via does?