A 101 KB PDF datasheet whose name, SDZS011, is a document code rather than a part number, so the exact component it covers is not given here. Codes in this style are literature numbers assigned by semiconductor vendors to their published documents. Open the PDF in any reader and check the title page for the device name, then use the pinout, absolute maximum ratings and typical application circuit to verify a suspect chip on a board before replacing it or probing its pins.
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.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.