Texas Instruments Standard Linear and Logic Buck 4.5V 18V 4A Step-Down DC-DC Converter IC TPS54426RSAT

4.5V to 18V Input, 4A Synchronous Step-Down Converter with Eco-Mode™ 16-QFN -40 to 85 Product overview: TPS54426RSAT from Texas Instruments 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, 4.5V, 18V, 4A, QFN. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, Buck, 4.5V, 18V, 4A, Step-Down DC-DC Converter IC. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-TPS54426RSAT can be used for catalog matching and distributor lookup.