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The MIC24053 DC/DC synchronous buck regulator operates over an input supply range of 4.5V to 19V and provides a regulated output at up to 9A of load current. The output voltage is adjustable down to 0.8V with a typical accuracy of ±1%. The device operates at a switching frequency of 600kHz, which remains relatively constant with changes in input voltage and output load. The basic parameters of the MIC24053 evaluation board are a VIN supply of 5V to 19V, output voltage of 0.8V to 5V at 9A(1), and 600kHz switching frequency.