Datasheet Analog Devices ADP7157ARDZ-04-R7 — Ficha de datos

1.2 A, Ultralow Noise,
High PSRR, RF Linear Regulator
ADP7157 FEATURES APPLICATIONS
Regulation to noise sensitive applications: phase-locked
loops (PLLs), voltage controlled oscillators (VCOs), and
PLLs with integrated VCOs
Communications and infrastructure
Backhaul and microwave links GENERAL DESCRIPTION
The ADP7157 is an adjustable linear regulator that operates
from 2.3 V to 5.5 V and provides up to 1.2 A of output current.
Output voltages from 1.2 V to 3.3 V are possible depending on
the model. Using an advanced proprietary architecture, the
device provides high power supply rejection and ultralow noise,
achieving excellent line and load transient response with only a
10 µF ceramic output capacitor.
The ADP7157 is available in four models that optimize power
dissipation and PSRR performance as a function of the input
and output voltage. See Table 9 and Table 10 for selection guides.
The typical output noise the ADP7157 regulator is 0.9 μV rms from
100 Hz to 100 kHz and 1.7 nV/√Hz for noise spectral density from
10 kHz to 1 MHz. The ADP7157 is available in 10-lead, 3 mm ×
3 mm LFCSP and 8-lead SOIC packages, making it not only a
very compact solution, but also providing excellent thermal …