In the case of Tape & Reel (TR) cases, the regulater IC is delivered. The PMIC chip has 4 terminations. This device has a regulator type called FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR, which means it operates on a DC voltage.
XC6221D2227R-G Features
XC6221D2227R-G Applications
There are a lot of Torex Semiconductor Ltd XC6221D2227R-G Linear Voltage Regulators applications.