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ADP3336 PDF预览

ADP3336

更新时间: 2024-11-22 22:53:39
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
8页 360K
描述
High Accuracy Ultralow IQ, 500 mA anyCAP Adjustable Low Dropout Regulator

ADP3336 数据手册

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High Accuracy Ultralow IQ, 500 mA  
®
a
anyCAP Adjustable Low Dropout Regulator  
ADP3336  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
High Accuracy Over Line and Load: ؎0.9% @ 25؇C,  
؎1.8% Over Temperature  
Ultralow Dropout Voltage: 200 mV (Typ) @ 500 mA  
Requires Only CO = 1.0 F for Stability  
anyCAP = Stable with Any Type of Capacitor  
(Including MLCC)  
Q1  
IN  
OUT  
FB  
ADP3336  
THERMAL  
PROTECTION  
CC  
g
DRIVER  
m
Current and Thermal Limiting  
Low Noise  
Low Shutdown Current: < 1.0 A  
2.6 V to 12 V Supply Range  
SD  
BANDGAP  
REF  
1.5 V to 10 V Output Range  
–40؇C to +85؇C Ambient Temperature Range  
Ultrasmall Thermally-Enhanced 8-Lead MSOP Package  
GND  
APPLICATIONS  
PCMCIA Card  
Cellular Phones  
Camcorders, Cameras  
Networking Systems, DSL/Cable Modems  
Cable Set-Top Box  
MP3/CD Players  
ADP3336  
OUT  
OUT  
OUT  
IN  
IN  
SD  
V
OUT  
DSP Supply  
R1  
R2  
C
V
OUT  
1F  
IN  
FB  
C
IN  
GND  
1F  
ON  
GENERAL DESCRIPTION  
OFF  
The ADP3336 is a member of the ADP333x family of precision  
low dropout anyCAP voltage regulators. The ADP3336 operates  
with an input voltage range of 2.6 V to 12 V and delivers a  
continuous load current up to 500 mA. The ADP3336 stands  
out from conventional LDOs with the lowest thermal resistance  
of any MSOP-8 package and an enhanced process that enables  
it to offer performance advantages beyond its competition.  
Its patented design requires only a 1.0 µF output capacitor for  
stability. This device is insensitive to output capacitor Equiva-  
lent Series Resistance (ESR), and is stable with any good  
quality capacitor, including ceramic (MLCC) types for space-  
restricted applications. The ADP3336 achieves exceptional  
accuracy of 0.9% at room temperature and 1.8% over tem-  
perature, line, and load. The dropout voltage of the ADP3336 is  
only 200 mV (typical) at 500 mA. This device also includes a  
safety current limit, thermal overload protection and a shutdown  
feature. In shutdown mode, the ground current is reduced to  
less than 1 µA. The ADP3336 has ultralow quiescent current  
80 µA (typical) in light load situations.  
Figure 1. Typical Application Circuit  
anyCAP is a registered trademark of Analog Devices Inc.  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 2000  

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