The package is delivered in a Tape & Reel (TR) case. On the Voltage regulator IC, there are 4 terminations that can be connected. As far as the regulator type, it is a FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR type.
XC6504A4519R-G Features
XC6504A4519R-G Applications
There are a lot of Torex Semiconductor Ltd XC6504A4519R-G Linear Voltage Regulators applications.