ODThe HE2021A44HPR is a SOT89-3 Linear Voltage Regulator (LDO) manufactured by HEERMICROD. This linear voltage regulator is an ultra-low dropout (ULDO), 3-terminal fixed voltage regulator with high output voltage accuracy and low current consumption (µA) operation. This device has a wide input voltage range from 1.1V to 30V and offers robust performance with a ±1% tolerance at standard operating conditions. Additionally, the device is RoHS compliant and comes in an SOT89-3 package. This device is suitable for data line level applications and low-noise operation.