LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
LINEAR TECHNOLOGY LTC3406ES5#PBF DC-DC Switching Buck Step Down Regulator, Adjustable, 2.5V-5.5Vin, 600mV-5.5Vout, 0.6Aout, TSOT-23-5