stabilizator napięcia low drop.

SOT223

n Dropout Voltage: 0.5V
n Output Current: 300mA
n Quiescent Current: 12mA
n No Protection Diodes Needed
n Adjustable Output from 3.8V to 20V
n Fixed Output Voltages: 3V, 3.3V, 5V
n Controlled Quiescent Current in Dropout
n Shutdown IQ = 6mA
n Reverse Battery Protection
n No Reverse Current
n Thermal Limiting

dokumentacja: http://www.wolumen53.com/pdf/LT1521.pdf