The LD39015xx is a low quiescent current, low noise voltage regulator with an input voltage range of 1.5-5.5V, an output voltage range of 0.8-3.3V, a typical dropout voltage of 80mV, a quiescent current of 18µA (no load), 35µA (150mA load), 1µA (off mode), and is very suitable for low-power battery-powered applications.