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ADP7156 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ADP7156
部品説明 RF Linear Regulator
メーカ Analog Devices
ロゴ Analog Devices ロゴ 



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ADP7156 Datasheet, ADP7156 PDF,ピン配置, 機能
Data Sheet
1.2 A, Ultralow Noise,
High PSRR, RF Linear Regulator
ADP7156
FEATURES
Input voltage range: 2.3 V to 5.5 V
16 standard voltages between 1.2 V and 3.3 V available
Maximum load current: 1.2 A
Low noise
0.9 μV rms total integrated noise from 100 Hz to 100 kHz
1.6 μV rms total integrated noise from 10 Hz to 100 kHz
Noise spectral density: 1.7 nV/√Hz from 10 kHz to 1 MHz
Power supply rejection ratio (PSRR)
80 dB from 1 kHz to 100 kHz; 60 dB at 1 MHz, VOUT = 3.3 V,
VIN = 4.0 V
Dropout voltage: 120 mV typical at IOUT = 1.2 A, VOUT = 3.3 V
Initial accuracy: ±0.6% at ILOAD = 10 mA
Initial accuracy over line, load, and temperature: ±1.5%
Quiescent current: IGND = 4.0 mA at no load, 7 mA at 1.2 A
Low shutdown current: 0.2 μA
Stable with a 10 μF ceramic output capacitor
10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages
Precision enable
Supported by ADIsimPower tool
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 ADP7156 is a linear regulator that operates from 2.3 V to 5.5 V
and provides up to 1.2 A of output current. Using an advanced
proprietary architecture, it provides high power supply rejection
and ultralow noise, achieving excellent line and load transient
response with only a 10 μF ceramic output capacitor.
There are 16 standard output voltages for the ADP7156. The
following voltages are available from stock: 1.2 V, 1.8 V, 2.0 V,
2.5 V, 2.8 V, 3.0 V and 3.3 V. Additional voltages available by
special order are 1.3 V, 1.5 V, 1.6 V, 2.2 V, 2.6 V, 2.7 V, 2.9 V,
3.1 V, and 3.2 V.
The ADP7156 regulator typical output noise 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 ADP7156 is available in a
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 performance for applications requiring up to
1.2 A of output current in a small, low profile footprint.
TYPICAL APPLICATION CIRCUIT
VIN = 3.8V
CIN
10µF
ON
OFF
CBYP
1µF
ADP7156
VIN VOUT
VOUT_SENSE
EN
BYP
REF
REF_SENSE
VOUT = 3.3V
COUT
10µF
CREF
1µF
CREG
1µF
VREG
GND (EPAD)
Figure 1.
Table 1. Related Devices
Model
Input
Voltage
ADP7158, 2.3 V to 5.5 V
ADP7159
ADP7157 2.3 V to 5.5 V
ADM7150,
ADM7151
ADM7154,
ADM7155
ADM7160
4.5 V to 16 V
2.3 V to 5.5 V
2.2 V to 5.5 V
Output
Current
2A
1.2 A
800 mA
600 mA
200 mA
Fixed/
Adj1
Fixed/
Adj
Fixed/
Adj
Fixed/
Adj
Fixed/
Adj
Fixed
Package
10-lead LFCSP/
8-lead SOIC
10-lead LFCSP/
8-lead SOIC
8-lead LFCSP/
8-lead SOIC
8-lead LFCSP/
8-lead SOIC
6-lead LFCSP/
5-lead TSOT
1 Adj means adjustable.
1k
CBYP = 1µF
CBYP = 10µF
CBYP = 100µF
100 CBYP = 1000µF
10
1
0.1
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
Figure 2. Noise Spectral Density at Different Values of CBYP, VOUT = 3.3 V
Rev. A
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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