Renesas offers a wide portfolio of high-performance buck regulators with integrated FETs. A buck converter, also known as a step-down converter, is a DC/DC power converter that provides voltage step down and current step up. The converter reduces the voltage when the power source has a higher voltage than Vout of the regulator. A buck converter generally provides the most efficient solution with the smallest external components.

Unsure if a low powered linear regulator or highly efficient switching regulator is a better option for your design? Learn more about Linear vs. Switching Regulators.

Documentation

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PDF 19.79 MB 日本語 Brochure
PDF 1.07 MB White Paper
PDF 468 KB White Paper
PDF 526 KB White Paper
PDF 378 KB White Paper
PDF 431 KB 简体中文 White Paper
PDF 279 KB Application Note
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Portfolio of 30V-75V Bucks Power the Highest-Precision Loads with Excellent Accuracy

The RAA211x family of bucks are highly scalable due to its unique pin-compatible wide Vin buck variants with integrated FETs that support up to 5A of continuous output current with premium load and line regulation performance. The RAA211835 supports 75V async buck operation of 3A loadings, while RAA211250/450/630/820 support sync buck operation of 30V 5A, 40V 5A, 60V 3A, 75V 2A respectively.