BUY R3131N30EC-TR https://www.utsource.net/itm/p/5033419.html

Package: SOT23-3 Description: R3131N30EC-TR is a low-dropout linear regulator with a maximum output current of 300mA. Features: Low Dropout Voltage: 0.3V (Typ.) at 300mA Output Voltage Accuracy: ±2% Output Voltage Range: 0.8V to 5.5V Low Quiescent Current: 20μA (Typ.) Low Noise: 30μVrms (Typ.) Over-Current Protection Thermal Shutdown Protection Over-Voltage Protection Under-Voltage Lockout Reverse Current Protection RoHS Compliant Applications: Battery-Powered Systems Portable Devices Automotive Electronics Industrial Systems Consumer Electronics (For reference only)