ADP150

Data Sheet ADP150 Ultralow Noise, 150 mA, CMOS Linear Regulator FEATURES ► Ultralow noise: 9 µV rms, independent of VOUT ► No additional noise bypass capacitor required ► Stable with 1 µF ceramic input and output capacitors ► Maximum output current: 150 mA ► Input voltage range: 2.2 V to 5.5 V ► Low quiescent current ► IGND = 10 µA with zero load ► Low shutdown current: <1 µA ► Low dropout voltage: 105 mV at 150 mA load ► Initial output voltage accuracy: ±1% ► Up to 14 fixed output voltage options: 1.8 V to 3.3 V ► PSRR performance of 70 dB at 10 kHz ► Current limit and thermal overload protection ► Logic-controlled enable ► 5-lead TSOT package ► 4-ball, 0.8 mm × 0.8 mm, 0.4 mm pitch WLCSP ► AEC-Q100 qualified for automotive applications APPLICATIONS ► Mobile phones ► Digital camera and audio devices ► Portable and battery-powered equipment ► Post dc-to-dc regulation ► Portable medical devices ► RF, voltage controlled oscillator (VCO), and phase locked loop (PLL) power supplies GENERAL DESCRIPTION The ADP150 is an ultralow noise (9 µV), low dropout, linear regulator that operates from 2.2 V to 5.5 V and provides up to 150 mA of output current. The low 105 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range. Using an innovative circuit topology, the ADP150 achieves ultralow noise performance without the necessity of an additional noise bypass capacitor, making it ideal for noise sensitive analog and RF applications. The A...