TechThe MD5140 is a SOT-23-3L Linear Voltage Regulator (LDO) manufactured by MingdaTech. It is a low-voltage, low-cost, adjustable regulator designed to provide a stable, precisely regulated output voltage for a wide range of load conditions from 2.5V to 5.5V. It features a low power consumption, low input voltage, and a wide bandwidth. It also features an excellent temperature coefficient and low output noise voltage. The device is compliant with the RoHS directive on the use of hazardous substances, and is ideal for use in battery operated applications. The MD5140 is a cost-effective solution for cost-sensitive projects.