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The LM25149-Q1EVM-2100 high-density EVM is designed to use a regulated or non-regulated high-voltage input rail ranging from 5.5 V to 36 V to produce a tightly-regulated output voltage of 5 V at load currents up to 8 A. This wide VIN range DC/DC solution offers outsized voltage rating and operating margin to withstand supply rail voltage transients.
The free-running switching frequency is 2.1 MHz and is synchronizable to an external clock signal at a higher or lower frequency. The power-train passive components selected for this EVM, including buck inductors and ceramic input and output capacitors, are automotive AEC-Q200 rated and are available from multiple component vendors.