понижайка и ее обвязка

Даташит:
● Wide Input Voltage from 4.5V to 23V
● 2A Output Current
● Low Rds(on) Integrated Power MOSFET
● High Efficiency Up to 96%
● Fixed 380KHz Switching Frequency
● Current Mode Operation
● Adjustable Soft-Start
● Cycle-by-Cycle Current Limit
● Input Under Voltage Lockout
● Over-Temperature Protection with Auto
Recovery
● <1uA Shutdown Current
● Internal Compensation Function
● SOP-8 and Thermal Enhanced SOP-8P
Packages
● RoHS Compliant