Typical Application Circuit for LTM4647EY 12Vin, 1Vout, 30A DC/DC Step-Down Regulator. The LTM4647 is a complete 30A output switching mode step-down DC/DC regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V to 1.8V, set by a single external resistor. Only a few input and output capacitors are needed