The RAA223021 evaluation board (RTKA223021DE0000BU) is a high voltage buck converter that demonstrates a low-cost high-performance non-isolated AC/DC converter. It operates from a universal input of 85VAC to 265VAC and has a 12V output capable of up to 667mA of load current. The board has built-in overcurrent, short-circuit, input brownout, and over-temperature protection, and is designed on a single-sided PCB with full-wave input rectification.


  • Universal input
  • Single-side PCB with low-cost external components
  • EMI compliance for EN 55022/CISPR 22
  • Standby power less than 20mW
  • No audible noise



  • Home appliances
  • Home automation, IoT, and sensors
  • Metering and industry control
  • Bias power


Type Title Date
Manual - Hardware PDF 551 KB
Datasheet PDF 877 KB
Guide ZIP 548 KB
3 items

Design & Development

Related Boards & Kits

Boards & Kits