| Topology | Buck Converter |
| Input voltage | 4.5-42 V |
| Switching frequency | 200-800 kHz |
| Output 1 | 3.3 V / 5 A |
| IC revision | 1.01 |
The RTKA211450DE0000BU board evaluates the RAA211450 (QFN version), a DC/DC synchronous step-down regulator with programmable switching frequency. The RAA211450 supports a wide input voltage range (from 4.5V to 42V) and adjustable output voltage. It delivers up to continuous 5A output current with premium load regulation and line regulation performance.