The HX6219B302MR is a SOT23-5 Low Dropout Regulators (LDO) manufactured by Hengjiaxing. It features a wide range of output voltage options, making it perfect for applications that require a specific supply voltage. It also has a low quiescent current, low noise, and low dropout voltage. It is RoHS compliant, and designed to provide excellent power supply stability and regulation for your circuit applications. With its wide output voltage settings, it can be used for power management, voltage regulation, motor control, and other applications.