The MD57E12QC3 with SOT-23-5L Linear Voltage Regulators (LDO) ROHS is a low-dropout (LDO) regulator manufactured by Mingda. It is a low-noise, low-dropout, low-power, 2-terminal adjustable positive voltage regulator. It can provide up to 300mA of output current, and is a highly stable device that features low-noise operation and low dropout operation. Its wide range of output voltage adjustment allows it to be used in a variety of different applications, including but not limited to power supplies, computer motherboards, and embedded systems. Its RoHS compliant lead-free plastic package makes it suitable for use in industrial, communications, consumer, and medical applications.