[Shop-talk] Help identifying a chip

[Battmain]

Finally got around to installing an amplified speaker I had sitting around for years.  It was supposed to be a simple install, but looks like I fried something in the haste. 
I already picked up the capacitor in the picture,  but I think the regulator might be fried also based on the burn marks.Seems there are different models of that regulator.  The amp is in a 12v application.  Anybody have any ideas as to what model regulator it is? (or what I could substitute it with? Will be getting it from that auction site. :) ) Picture in the link...(that's the best I could get) https://i.imgur.com/FIfJA4O.jpg
I figure if I throw $5 at it in parts, it wouldn't hurt to try. 

Brian
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