View aic1742 datasheet:

 AIC1742 Low Noise, Low Quiescent Current, 150mA Linear Regulator with Noise Bypass FEATURES DESCRIPTION Very Low Noise, 25μVRMS @ f=10~100kHz. AIC1742 is a low noise, low dropout linear Very Low Quiescent Current, 35μA. regulator, and is housed in a small SOT-23-5 Very Low Dropout Voltage, 90mV @ 50mA. package. The device is in the “ON” state when Active Low Shutdown Control. the SHDN pin is set to logic high level. A low Short Circuit and Thermal Protection. dropout voltage of 90mV at 50mA load current 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 2.85V, 2.9V, 3.0V, is performed. It offers high precision output 3.3V Output Voltage. voltage of ±2%. The quality of low quiescent Available in ±2% Output Tolerance. current and low dropout voltag