The MIC23603 evaluation board allows the customer to evaluate the MIC23603, a fully-integrated 6A, 4MHz switching regulator that features Hyper Light Load® mode, a power good output indicator, and programmable soft-start. The MIC23603 is highly efficient throughout the output current range, drawing just 24μA of quiescent current in operation. The tiny 4mm × 5mm DFN package saves precious board space and requires few external components. The MIC23603 provides accurate output voltage regulation under the most demanding conditions and responds extremely quickly to a load transient with exceptionally small output voltage ripple.
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The MIC23603 evaluation board requires a single 40W bench power source adjustable from 2.7V to 5.5V. The loads can be either active (electronic load) or passive (resistor), and must be able to dissipate 30W. It is ideal, but not essential, to have an oscilloscope available to view the circuit waveforms. The simplest tests require two voltage meters to measure input and output voltage. Efficiency measurements require two voltage meters and two ammeters to prevent errors caused by measurement inaccuracies.