Please identify the part Marking with M311 in the picture

Thread Starter

hmsahir

Joined Sep 25, 2008
4
Hello there :) Please, identify & share details of the PCB (Printed Circuit Board )what was it used for?where did it come out of?
Thanks for your reply. It is not an operational amplifier and it is low dropout voltage regulator but part datasheet and availability is not seen any where.
 

Irving

Joined Jan 30, 2016
2,524
My first thought was LM311 but they don't come in a SOT-23-5 casing. Its a good chance its a VR from one of the lesser known OEMs.
 
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