ADP7157
ADP7157 is RF Linear Regulator manufactured by Analog Devices.
FEATURES
Input voltage range: 2.3 V to 5.5 V Adjustable output voltage range (VOUT): 1.2 V to 3.3 V Maximum load current: 1.2 A Low noise
0.9 µV rms typical output noise from 100 Hz to 100 k Hz 1.6 µV rms typical output noise from 10 Hz to 100 k Hz Noise spectral density: 1.7 n V/√Hz from 10 k Hz to 1 MHz Power supply rejection ratio (PSRR) 82 d B from 1 k Hz to 100 k Hz 55 d B at 1 MHz Dropout voltage: 120 m V typical at IOUT = 1.2 A, VOUT = 3.3 V Initial accuracy: ±0.6% at ILOAD = 10 m A Accuracy over line, load, and temperature: ±1.5% Operating supply current (IGND) 4.0 m A typical at 0 µA 7.0 m A typical at 1.2 A Low shutdown current: 0.2 μA typical Stable with a 10 µF ceramic output capacitor 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsim Power tool
APPLICATIONS
Regulation to noise sensitive applications: phase-locked loops (PLLs), voltage controlled oscillators...