It comes in a QFN package, so switching controller can be used for most applications. Tape & Reel (TR) is the solid enclosure in which PMIC is packaged. MAX15511 can be searched for other relevant dc to dc converter ics.
MAX15511GTL+T Features
MAX15511GTL+T Applications
There are a lot of Maxim Integrated MAX15511GTL+T DC to DC converter applications.