2018-12-27 06:10 PM
Table 1, Pin description, on page 3 lists pin number 1 of DFN6 on GND row with a description of "Output voltage". It should be combined with pin #3 on Vout row.
https://www.st.com/content/ccc/resource/technical/document/datasheet/group3/df/64/f9/b7/91/6e/43/20/DM00225720/files/DM00225720.pdf/jcr:content/translations/en.DM00225720.pdf
