STMicroelectronics Buck 400MA Step-Down DC-DC Converter IC ST1PS03A1QTR

IC REG BUCK SELECT 400MA 12TQFN Product overview: ST1PS03A1QTR from STMicroelectronics is a Step-Down DC-DC Converter IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Buck, 400MA. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, Buck, 400MA, Step-Down DC-DC Converter IC, DC Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-ST1PS03A1QTR can be used for catalog matching and distributor lookup.