The MIC2164-3YMM is a synchronous buck regulator from Microchip, rated for up to 3A of output current. It is a fixed output voltage, internally compensated, and includes three voltage selection pin straps. It features an integrated switching FET, soft-start time, fixed frequency PWM operation, output tracking and power good signal, over voltage and over current protection and adjustable switching frequency. The device is housed in a 4-lead SOT-23 package and is lead-free, RoHS compliant.