The MIC23031 is a 400mA 4MHz switching regulator featuring HyperLight Load® mode. The MIC23031 is highly-efficient throughout the entire output current range, drawing just 21µA of quiescent current in operation. The tiny 1.6mm × 1.6mm Thin DFN package in combination with the 4MHz switching frequency enables a compact sub-1mm height solution with only three external components. The MIC23031 provides accurate output voltage regulation under the most demanding conditions responding extremely quickly to a load transient with exceptionally small output voltage ripple.
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The MIC23031 evaluation board requires an input power source that is able to deliver greater than 500mA at 2.7V to the MIC23031. The output load can either be an active (electronic) or passive (resistive) load.