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ADM7150ACPZ-3.3-R7 PDF预览

ADM7150ACPZ-3.3-R7

更新时间: 2024-11-30 21:12:15
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管输出元件调节器
页数 文件大小 规格书
24页 811K
描述
800 mA, Ultra Low Noise/High PSRR LDO

ADM7150ACPZ-3.3-R7 数据手册

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800 mA Ultralow Noise,  
High PSRR, RF Linear Regulator  
ADM7150  
Data Sheet  
FEATURES  
TYPICAL APPLICATION CIRCUIT  
ADM7150  
Input voltage range: 4.5 V to 16 V  
Maximum output current: 800 mA  
Low noise  
V
= 6.2V  
V
C
= 5.0V  
IN  
OUT  
VIN  
VOUT  
C
IN  
10µF  
OUT  
10µF  
ON  
1.0 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 typical from 10 kHz to 1 MHz  
Power supply rejection ratio (PSRR) at 400 mA load  
>90 dB from 1 kHz to 100 kHz, VOUT = 5 V  
>60 dB at 1 MHz, VOUT = 5 V  
EN  
REF  
REF_SENSE  
GND  
C
REF  
1µF  
OFF  
BYP  
C
1µF  
BYP  
VREG  
C
REG  
10µF  
Figure 1. 5 V Output Circuit  
Dropout voltage: 0.6 V at VOUT = 5 V, 800 mA load  
Initial voltage accuracy: ±1%  
Voltage accuracy over line, load and temperature: ±±%  
Quiescent current (IGND): 4.3 mA at no load  
Low shutdown current: 0.1 µA  
Stable with a 10 µF ceramic output capacitor  
Fixed output voltage options: 1.8 V, ±.8 V, 3.0 V, 3.3 V, 4.5 V,  
4.8 V, and 5.0 V (16 outputs between 1.5 V and 5.0 V are  
available)  
Exposed pad 8-lead LFCSP and 8-lead SOIC packages  
APPLICATIONS  
Regulated power noise sensitive applications  
RF mixers, phase-locked loops (PLLs), voltage-controlled  
oscillators (VCOs), and PLLs with integrated VCOs  
Communications and infrastructure  
Cable digital-to-analog converter (DAC) drivers  
Backhaul and microwave links  
GENERAL DESCRIPTION  
The ADM7150 is a low dropout (LDO) linear regulator that  
operates from 4.5 V to 16 V and provides up to 800 mA of  
output current. Using an advanced proprietary architecture, it  
provides high power supply rejection (>90 dB from 1 kHz to 1 MHz),  
ultralow output noise (<1.7 nV√Hz), and achieves excellent line and  
load transient response with a 10 µF ceramic output capacitor.  
footprint. See the ADM7151 adjustable LDO to generate additional  
output voltages.  
100k  
C
C
C
C
= 1µF  
BYP  
BYP  
BYP  
BYP  
= 10µF  
= 100µF  
= 1mF  
10k  
1k  
100  
10  
1
The ADM7150 is available in 1.8 V, 2.8 V, 3.0 V, 3.3 V, 4.5 V,  
4.8 V, and 5.0 V fixed outputs. In addition, 16 fixed output  
voltages between 1.5 V and 5.0 V are available upon request.  
The ADM7150 regulator typical output noise is 1.0 µV rms  
from 100 Hz to 100 kHz for fixed output voltage options, and  
the noise spectral density is 1.7 nV/√Hz from 10 kHz to 1 MHz.  
The ADM7150 is available in 8-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 800 mA of output current in a small, low profile  
0.1  
1
10  
100  
1k  
10k  
100k  
1M  
FREQUENCY (Hz)  
Figure 2. Noise Spectral Density (NSD) vs. Frequency for Various CBYP  
Rev. 0  
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  
rightsof third parties that may result fromits use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 0±06±-9106, U.S.A.  
Tel: 781.3±9.4700  
Technical Support  
©±013 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 

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