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ADP3338AKC-3-RL

更新时间： 2024-11-23 12:35:31
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
16页 295K
描述
High Accuracy, Ultralow IQ, 1A, anyCAP Low Dropout Regulator

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ADP3338AKC-3-RL 数据手册

 浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第2页浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第3页浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第4页浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第5页浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第6页浏览型号ADP3338AKC-3-RL的Datasheet PDF文件第7页 
High Accuracy, Ultralow IQ, 1 A,  
anyCAP® Low Dropout Regulator  
ADP3338  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
High accuracy over line and load: 0.8% @ 25°C,  
1.4% over temperature  
Ultralow dropout voltage: 190 mV (typ) @ 1 A  
Requires only CO = 1.0 µF for stability  
anyCAP is stable with any type of capacitor (including MLCC)  
Current and thermal limiting  
Q1  
OUT  
IN  
ADP3338  
R1  
R2  
THERMAL  
PROTECTION  
CC  
g
DRIVER  
m
Low noise  
2.7 V to 8 V supply range  
BANDGAP  
REF  
−40°C to +85°C ambient temperature range  
SOT-223 package  
GND  
Figure 1.  
APPLICATIONS  
Notebook, palmtop computers  
SCSI terminators  
ADP3338  
V
IN  
V
OUT  
OUT  
IN  
Battery-powered systems  
Bar code scanners  
1µF  
1µF  
GND  
Camcorders, cameras  
Home entertainment systems  
Networking systems  
DSP/ASIC supplies  
Figure 2. Typical Application Circuit  
GENERAL DESCRIPTION  
with any good quality capacitor, including ceramic (MLCC)  
The ADP3338 is a member of the ADP33xx family of precision,  
low dropout (LDO), anyCAP voltage regulators. The ADP3338  
operates with an input voltage range of 2.7 V to 8 V and delivers  
a load current up to 1 A. The ADP3338 stands out from  
conventional LDOs with a novel architecture and an enhanced  
process that offers performance advantages and higher output  
current than its competition. Its patented design requires only a  
1 µF output capacitor for stability. This device is insensitive to  
output capacitor equivalent series resistance (ESR), and is stable  
types for space-restricted applications. The ADP3338 achieves  
exceptional accuracy of ±±.8ꢀ at room temperature and ±1.ꢁꢀ  
over temperature, line, and load variations. The dropout voltage  
of the ADP3338 is only 19± mV (typical) at 1 A. The device also  
includes a safety current limit and thermal overload protection.  
The ADP3338 has ultralow quiescent current: 11± µA (typical)  
in light load situations.  
Rev. B  
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  
registered trademarks are the 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  
©2005 Analog Devices, Inc. All rights reserved.  
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