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ADP1707ARDZ-0.85R7 PDF预览

ADP1707ARDZ-0.85R7

更新时间: 2024-11-07 12:48:51
品牌 Logo 应用领域
亚德诺 - ADI 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
20页 563K
描述
1 A, Low Dropout, CMOS Linear Regulator

ADP1707ARDZ-0.85R7 数据手册

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1 A, Low Dropout,  
CMOS Linear Regulator  
ADP1706/ADP1707/ADP1708  
FEATURES  
TYPICAL APPLICATION CIRCUITS  
Maximum output current: 1 A  
Input voltage range: 2.5 V to 5.5 V  
Low shutdown current: <1 μA  
Low dropout voltage: 345 mV @ 1 A load  
Initial accuracy: 1ꢀ  
ADP1706  
10nF  
1
2
3
4
EN  
SS  
8
7
6
5
GND SENSE  
V
= 3.3V  
OUT  
IN  
IN  
OUT  
OUT  
V
= 5V  
IN  
4.7µF  
4.7µF  
Accuracy over line, load, and temperature: 2.5ꢀ  
16 fixed output voltage options with soft start:  
0.75 V to 3.3 V (ADP1706)  
Figure 1. ADP1706 with Fixed Output Voltage, 3.3 V  
16 fixed output voltage options with tracking  
0.75 V to 3.3 V (ADP1707)  
Adjustable output voltage option:  
ADP1707  
V
1
2
3
4
EN  
TRK  
8
7
6
5
TRK  
V
GND SENSE  
0.8 V to 5.0 V (ADP1708)  
IN  
IN  
OUT  
OUT  
OUT  
V
= 5V  
IN  
Stable with small 4.7 μF ceramic output capacitor  
Excellent load/line transient response  
Current limit and thermal overload protection  
Logic-controlled enable  
Available in an 8-lead, exposed paddle SOIC and  
3 mm × 3 mm, 8-lead exposed paddle LFCSP  
4.7µF  
4.7µF  
V
(V)  
OUT  
3
2
1
0
1
2 3 4 5  
TRK  
V
(V)  
APPLICATIONS  
Figure 2. ADP1707 with Output Voltage Tracking  
Notebook computers  
Memory components  
Telecommunications equipment  
Network equipment  
DSP/FPGA/microprocessor supplies  
Instrumentation equipment/data acquisition systems  
ADP1708  
R2  
R1  
1
2
3
4
EN  
ADJ  
8
7
6
5
GND SENSE  
V
= 0.8V(1 + R1/R2)  
OUT  
IN  
IN  
OUT  
OUT  
V
= 5V  
IN  
4.7µF  
4.7µF  
Figure 3. ADP1708 with Adjustable Output Voltage, 0.8 V to 5.0 V  
GENERAL DESCRIPTION  
ADP1707 and ADP1708 contain internal soft start capacitors  
that give a typical start-up time of 100 μs. The ADP1707  
includes a tracking feature that allows the output to follow an  
external voltage rail or reference.  
The ADP1706/ADP1707/ADP1708 are CMOS, low dropout  
linear regulators that operate from 2.5 V to 5.5 V and provide  
up to 1 A of output current. Using an advanced proprietary  
architecture, they provide high power supply rejection and  
achieve excellent line and load transient response with a small  
4.7 μF ceramic output capacitor.  
The ADP1706/ADP1707/ADP1708 are available in an 8-lead,  
exposed paddle SOIC package and an 8-lead, 3 mm × 3 mm  
exposed paddle LFCSP, making them not only very compact  
solutions but also providing excellent thermal performance for  
applications requiring up to 1 A of output current in a small,  
low profile footprint.  
The ADP1706/ADP1707 are available in 16 fixed output volt-  
age options. The ADP1708 is available in an adjustable version,  
which allows output voltages that range from 0.8 V to 5.0 V via  
an external divider. The ADP1706 allows an external soft start  
capacitor to be connected to program the start-up time; the  
Rev. 0  
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.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
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  
©2007 Analog Devices, Inc. All rights reserved.  
 

ADP1707ARDZ-0.85R7 替代型号

型号 品牌 替代类型 描述 数据表
ADP1706ARDZ-0.85R7 ADI

完全替代

1 A, Low Dropout, CMOS Linear Regulator

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