STUSB1602QTR is a 16-bit LDO Linear Regulator from STMicroelectronics. It is a current-limited, low-noise, low-dropout (LDO) linear regulator that allows for high-efficiency operation in a wide range of applications. It offers a maximum output current up to 50mA and a maximum output voltage up to 4.2V. This device is designed for a wide variety of applications such as step-down battery chargers, point-of-load regulation, and power management for digital audio applications. It features an adjustable output voltage, over-current protection, thermal shutdown, and reverse current protection. This device is provided in RoHS compliant 3-Lead SOT-23 packages.