The LM217LD13TR is a monolithic integrated circuit manufactured by STMicroelectronics. It is a 3 V low dropout linear regulator with a low quiescent current, low dropout and output current capability of up to 1000 mA. It features reverse current protection, over-temperature protection, over voltage protection and current limiting protection. It is widely used in consumer and industrial devices, such as digital cameras, DVD players, notebook PCs and automotive systems.