Datasheet for the SGM2016, a 159 KB PDF. The SGM prefix belongs to SG Micro, whose SGM20xx parts are generally low-dropout linear regulators, although the file name itself carries only the part code. A technician uses it to identify input, output, enable and ground pins, check the expected output voltage for each suffix, and confirm dropout and current limits. Read the marking code table carefully, since tiny SOT packages print short codes rather than the full part number.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @datasheet_technar_org. Enginerys does not host this file.
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