There is a Tape & Reel (TR) package for it. It uses an analog integrated circuit SWITCHING CONTROLLER. In the reflow process, the peak temperature is NOT SPECIFIED. Using TS4305 as its base part number, similar components can be found.
TS4305BSTRT Features
TS4305BSTRT Applications
There are a lot of Semtech Corporation TS4305BSTRT Power Supply Control ICs applications.