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ADP7156ACPZ-3.3-R7 产品设计参考手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
稳压芯片
封装:
LFCSP-10
描述:
低压差稳压器 3.3/5Vin 1.2A Ultra Low Noise LDO, Fixed
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ADP7156ACPZ-3.3-R7数据手册
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若手册格式错乱，请下载阅览PDF原文件
EVAL-ADP7156 User Guide
UG-809
One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the ADP7156 Ultralow Noise, 1.2 A, Fixed Output,
RF Linear Regulator
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 8
FEATURES
Power supply rejection ratio (PSRR)
80 dB from 1 kHz to 100 kHz; 60 dB at 1 MHz,
V
OUT
= 3.3 V, V
IN
= 4.0 V
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
Low dropout voltage: 120 mV typical at V
OUT
= 3.3 V, I
OUT
= 1.2 A
Maximum output current: 1.2 A
Input voltage range: 2.3 V to 5.5 V
Low quiescent and shutdown current
Initial accuracy: ±0.6% at I
LOAD
= 10 mA
Accuracy over line, load, and temperature: ±1.5%
10-lead, 3 mm × 3 mm LFCSP package
EVALUATION KIT CONTENTS
ADP7156CP-3.3EVALZ
ADDITIONAL EQUIPMENT NEEDED
A dc power supply
Multimeters for voltage and current measurements
Electronic or resistive loads
EVALUATION BOARD LAYOUT
12948-001
Figure 1. ADP7156CP-3.3EVALZ Printed Circuit Board (PCB) Layout
GENERAL DESCRIPTION
The ADP7156CP-3.3EVALZ evaluation board demonstrates the
operation and functionality of the ADP7156 ultralow noise,
1.2 A, fixed output, radio frequency (RF) linear regulator in a
10-lead LFCSP package.
Simple device measurements, such as line and load regulation,
dropout voltage, and ground current, can be demonstrated using
only a single voltage supply, load resistors, and a voltmeter or an
ammeter.
Complete specifications for the ADP7156 ultralow noise, 1.2 A,
linear regulator are available in the ADP7156 data sheet available
from Analog Devices, Inc., and should be consulted in con-
junction with this user guide when using the evaluation board.
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