Texas Instruments Standard Linear and Logic Buck 5.5 V 300 kHz Step-Down DC-DC Converter IC TPS40040DRBT

2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count 8-SON -40 to 85 Product overview: TPS40040DRBT 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, 5.5 V, 300 kHz. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, Buck, 5.5 V, 300 kHz, Step-Down DC-DC Converter IC, DC DC Switching Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 715-TPS40040DRBT can be used for catalog matching and distributor lookup.