The 78L05U is a three-lead SOT-89-3 surface-mount Voltage Regulator made by Semtech. It is RoHS-compliant and features an output voltage of 5 V with an operating current of up to 100 mA. It offers excellent line and load regulation, low dropout operating current, and tight load regulation. It is suitable for a variety of low-current applications such as battery-powered circuits, portable consumer electronics, and portable communication devices. This component is a 78Lxx series, low-dropout linear regulator with an input voltage range of 8-20 V and an output current of up to 100 mA. Its dropout voltage is very low—just 0.6 V at 100 mA—making it suitable for low-current applications. The device offers over-temperature protection and current limiting for safe operation, while its wide line and load regulation range makes it suitable for a number of different applications. The 78L05U is a robust and reliable solution for your low-current application needs.