View aic1722a datasheet:

 AIC1722A 300mA Low Dropout Linear Regulator FEATURES DESCRIPTION Low Dropout Voltage of 470mV at 300mA Out- The AIC1722A is a 3-pin low dropout linear put Current (3.0V Output Version). regulator. The superior characteristics of the AIC1722A include zero base current loss, Guaranteed 300mA Output Current. very low dropout voltage, and 2% accuracy Maximum Input Voltage is 8V output voltage. Typical ground current Low Ground Current at 55µA. remains approximately 55µA, from no load to 2% Accuracy Output Voltage of 1.8V/ 2.0V maximum loading conditions. Dropout voltage /2.5V /2.7V/ 3.0V/ 3.3V/ 3.5V/ 3.7V/ 3.8V/ 5.0V/ at 300mA output current is exceptionally low. 5.2V. Output current limiting and thermal limiting are built in to provide maxi