Linear Technology LT3008
45V Low Dropout Linear Regulator
FEATURES
n Ultralow Quiescent Current: 3μA n Input Voltage Range: 2.0V to 45V n Output Current: 20mA n Dropout Voltage: 300mV n Adjustable Output (VADJ = VOUT(MIN) = 600mV) n Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V n Output Tolerance: ±2% Over Load, Line and Temperature n Stable with Low ESR, Ceramic Output Capacitors (2.2μF Minimum) n Shutdown Current: <1μA n Current Limit Protection n Reverse-Battery Protection n Thermal Limit Protection n TSOT-23 and 2mm × 2mm DFN PackagesAPPLICATIONS
n Automotive n Low Current Battery-Powered Systems n Keep-Alive Power Supplies n Remote Monitoring n Utility Meters n Low Power IndustrialAPPLICATIONS
DESCRIPTION
The LT®3008 series are micropower, low dropout voltage (LDO) linear regulators. The devices supply 20mA output current with a dropout voltage of 300mV. No-load quiescent current is 3μA. Ground pin current remains at less than 5% of output current as load