Texas Instruments Standard Linear and Logic 12V TO-220 LDO Voltage Regulator IC LM340AT-12

12V FIXED POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN Product overview: LM340AT-12 from Texas Instruments is a LDO Voltage Regulator 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 12V, TO-220. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 12V, TO-220, LDO Voltage Regulator IC, Linear Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 699-LM340AT-12 can be used for catalog matching and distributor lookup.