Overview
Description
The RTKA211820DE0000BU board evaluates the RAA211820 (QFN version), a DC/DC synchronous step-down regulator with programmable switching frequency. The RAA211820 supports a wide input voltage range (from 4.5V to 75V) and adjustable output voltage. It delivers up to continuous 2A output current with premium load regulation and line regulation performance.
Features
- Simple and flexible design
- 4.5V to 75V VIN range
- 3.3V output or adjustable
- 400kHz default or adjustable Fsw 200kHz to 800kHz
Applications
Design & Development
Software & Tools
Software Downloads
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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