View aic1733 datasheet:

 AIC1733 500mA, Low Dropout Linear Regulator with Shutdown FEATURES DESCRIPTION Active Low Shutdown Control. AIC1733 is a 500mA low noise, low dropout Very Low Quiescent Current. linear regulator, and is housed in small SOT-23-5 Very Low Dropout Voltage of 650mV at 500mA package. The device is in the “ON” state when Output Current (3.0V Output Version) the SHDN pin is set to logic high level. An 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V Output Voltage. internal P-MOSFET pass transistor is used to Short Circuit and Thermal Protection. ±2% Output Tolerance. achieve 650mV low dropout voltage at 500mA Miniature Package: SOT-23-5 load current. It offers high precision output voltage of ±2%. The quality of low quiescent APPLICATIONS curr