The RTKA211250DE0010BU board evaluates the RAA211250 (HTSSOP version), a DC/DC synchronous step-down regulator with programmable switching frequency. The RAA211250 supports a wide input voltage range (from 4.5V to 30V) and adjustable output voltage. It delivers up to continuous 5A output current with premium load regulation and line regulation performance.


  • Simple and flexible design
  • 4.5V to 30V VIN range
  • 3.3V output or adjustable
  • 400kHz default or adjustable Fsw 200kHz to 800kHz



  • Industrial power supplies
  • 12V/24V industrial and computing PoL
  • ATM, vending and gaming machines
  • Industrial PC
  • Programmable logic controllers
  • After-market automotive


Type Title Date
Manual - Development Tools PDF 1.03 MB
1 item

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Other Log in to Download XLSX 312 KB
PCB Design Files ZIP 548 KB
2 items