It's ready to ship in Tape & Reel (TR) packages. This part receives much praise as a SWITCHING CONTROLLER voltage regulator. Alternator regulator pinouts begin with 48 pins.
ISL69138IRAZ-T Features
SWITCHING CONTROLLER analog IC
ISL69138IRAZ-T Applications
There are a lot of Renesas Electronics America Inc. ISL69138IRAZ-T Specialized Voltage Regulators applications.