The L78M05ABDT-TR is a linear fixed voltage regulator manufactured by STMicroelectronics. It is a surface mounted device (SMD) available in a DPAK package with a rated output voltage of 5 V and rated output current of 0.5 A. The device offers an accuracy of ±2%. It provides protection overcurrent, overtemperature and overvoltage. It is used in a wide variety of circuit application, typically in power supplies and power management solutions.