This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.8″ yet delivers typical maximum continuous output currents between 2 A and 3.7 A, depending on the input voltage, which makes it well suited for powering moderate loads like sensors or small motors. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
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