The RAA211651 is an integrated 60V, 5A synchronous buck regulator with constant on time modulating scheme. It supports a wide input voltage range from 4.5V to 60V and adjustable output voltage. The RAA211651 is offered in a 28Ld QFN package. The RTKA211651DE0000BU evaluation board provides a quick and comprehensive platform for evaluating the high-performance features of RAA2116510 buck regulator.

The RTKA211651DE0000BU evaluation board operates from a supply voltage of 4.5V to 60VDC with the capability of delivering continuous load of 5A.


  • Switch selectable EN or option to drive it by external signal
  • Internal and external compensation options
  • Internal and external soft-start options
  • Adjustable delay time options
  • Options to connect EBIAS to VOUT or drive by external source
  • Output voltage programmable with external feedback resistors
  • Options to use internal feedback resistors for 3.3V VOUT
  • Connectors and test points for easy probing and data acquisition



  • Industrial power supplies
  • 12V/48V industrial and computing PoL
  • ATM, vending and gaming machines
  • Robotics
  • Programmable logic controllers
  • After-market automotive


Type Title Date
Manual - Development Tools PDF 1.08 MB
Datasheet PDF 3.06 MB
2 items

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Other XLSX 662 KB
PCB Design Files ZIP 7.91 MB
2 items