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ADP3339AKCZ-3-R7 PDF预览

ADP3339AKCZ-3-R7

更新时间： 2024-11-26 12:35:31
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
12页 252K
描述
High Accuracy, Ultralow IQ, 1.5 A, anyCAP Low Dropout Regulator

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ADP3339AKCZ-3-R7 数据手册

 浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第2页浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第3页浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第4页浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第5页浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第6页浏览型号ADP3339AKCZ-3-R7的Datasheet PDF文件第7页 
High Accuracy, Ultralow IQ, 1.5 A,  
anyCAP Low Dropout Regulator  
ADP3339  
Data Sheet  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
High accuracy over line and load: 0.9ꢀ at 25°C,  
1.5ꢀ over temperature  
Ultralow dropout voltage: 230 mV (typical) at 1.5 A  
Requires only COUT = 1.0 μF for stability  
anyCAP = stable with any type of capacitor (including MLCC)  
Current and thermal limiting  
Q1  
OUT  
IN  
ADP3339  
R1  
THERMAL  
PROTECTION  
CC  
g
DRIVER  
m
R2  
Low noise  
2.8 V to 6 V input voltage range  
BANDGAP  
REF  
−40°C to +85°C ambient temperature range  
SOT-223 package  
GND  
Figure 1.  
APPLICATIONS  
Notebooks, palmtop computers  
SCSI terminators  
Battery-powered systems  
PCMCIA regulators  
ADP3339  
V
IN  
V
OUT  
OUT  
IN  
1μF  
1μF  
GND  
Bar code scanners  
Camcorders, cameras  
Figure 2. Typical Application Circuit  
GENERAL DESCRIPTION  
The ADP3339 is a member of the ADP33xx family of precision,  
low dropout, anyCAP® voltage regulators. The ADP3339  
operates with an input voltage range of 2.8 V to 6 V and delivers  
a load current up to 1.5 A. The ADP3339 stands out from the  
conventional LDOs with a novel architecture and an enhanced  
process that enables it to offer performance advantages and  
higher output current than its competition. Its patented design  
requires only a 1.0 μF output capacitor for stability. This device  
is insensitive to output capacitor equivalent series resistance  
(ESR), and is stable with any good quality capacitor, including  
ceramic (MLCC) types for space-restricted applications. The  
ADP3339 achieves exceptional accuracy of 0.9% at room  
temperature and 1.5% over temperature, line, and load  
variations. The dropout voltage of the ADP3339 is only 230 mV  
(typical) at 1.5 A. The device also includes a safety current limit  
and thermal overload protection. The ADP3339 has ultralow  
quiescent current: 130 μA (typical) in light load situations.  
Rev. C  
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  
www.analog.com  
Fax: 781.461.3113 ©2001–2011 Analog Devices, Inc. All rights reserved.  
 
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