The ME6219A12PG is a low dropout (LDO) regulator manufactured by Micro One. It is in an SOT-89-3 package and compliant with RoHS standards. This regulator is a positive voltage regulator with output voltage tolerance of ±2%. It uses bipolar transistor technology for providing a low dropout voltage with an output current of up to 800mA. It also features a low noise, fast transient response, and high power supply rejection ratio. With its wide input voltage range of 3.8V to 25V, the ME6219A12PG can be used in various applications like automotive, medical, industrial, and consumer electronic fields. Furthermore, it requires a typical minimum operating current of only 6.2uA, making it an efficient device with a long operating time.