DESCRIPTION

The LT ®1521/LT1521-3/LT1521-3.3/LT1521-5 are low dropout regulators with micropower quiescent current and shutdown. These devices are capable of supplying 300mA of output current with a dropout voltage of 0.5V.

FEATURES

■ Dropout Voltage: 0.5V

■ Output Current: 300mA

■ Quiescent Current: 12µA

■ No Protection Diodes Needed

■ Adjustable Output from 3.8V to 20V

■ Fixed Output Voltages: 3V, 3.3V, 5V

■ Controlled Quiescent Current in Dropout

■ Shutdown IQ = 6µA

■ Reverse Battery Protection

■ No Reverse Current

■ Thermal Limiting

APPLICATIOUNS

■ Low Current Regulator

■ Regulator for Battery-Powered Systems

■ Post Regulator for Switching Supplies