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ADP3307ART-3.3 PDF预览

ADP3307ART-3.3

更新时间: 2024-11-18 23:27:59
品牌 Logo 应用领域
其他 - ETC 稳压器调节器光电二极管输出元件
页数 文件大小 规格书
8页 139K
描述
Positive Fixed Voltage Regulator

ADP3307ART-3.3 数据手册

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®
High Accuracy anyCAP  
a
100 mA Low Dropout Linear Regulator  
ADP3307  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
High Accuracy Over Line and Load: ؎0.8% @ 25؇C,  
؎1.4% Over Temperature  
Ultralow Dropout Voltage: 120 mV Typical @ 100 mA  
Requires only CO = 0.47 F for Stability  
anyCAP = Stable with All Types of Output Capacitors  
(Including MLCC)  
Current and Thermal Limiting  
Low Noise  
Dropout Detector  
ADP3307  
Q1  
IN  
OUT  
NR  
R1  
R2  
THERMAL  
PROTECTION  
CC  
ERR  
gm  
Q2  
DRIVER  
SD  
BANDGAP  
REF  
Low Shutdown Current: 1 A  
3.0 V to 12 V Supply Range  
–20؇C to +85؇C Ambient Temperature Range  
Several Fixed Voltage Options  
Ultrasmall SOT-23-6 (RT-6) Package  
Excellent Line and Load Regulation  
GND  
NR  
OUT  
ERR  
ADP3307-3.3  
APPLICATIONS  
V
V
= +3.3V  
IN  
IN  
OUT  
R1  
+
Cellular Telephones  
Notebook, Palmtop Computers  
Battery Powered Systems  
PCMCIA Regulator  
Bar Code Scanners  
Camcorders, Cameras  
C1  
0.47F  
C2  
0.47F  
330k⍀  
E
OUT  
ON  
OFF  
SD  
GND  
Figure 1. Typical Application Circuit  
lose regulation or when the short circuit or thermal overload  
protection is activated. Other features include shutdown and  
optional noise reduction capabilities. The ADP330x anyCAP  
LDO family offers a wide range of output voltages and output  
current levels from 50 mA to 300 mA:  
GENERAL DESCRIPTION  
The ADP3307 is a member of the ADP330x family of precision  
low dropout anyCAP voltage regulators. The ADP3307 stands  
out from the conventional LDOs with a novel architecture and  
an enhanced process. Its patented design requires only a 0.47 µF  
output capacitor for stability. This device is stable with any type  
of capacitor regardless of its ESR (Equivalent Series Resistance)  
value, including ceramic types (MLCC) for space restricted  
applications. The ADP3307 achieves exceptional accuracy of  
0.8% at room temperature and 1.4% overall accuracy over  
temperature, line and load variations. The dropout voltage of  
the ADP3307 is only 120 mV (typical) at 100 mA.  
ADP3300 (50 mA, SOT-23-6)  
ADP3307 (100 mA, SOT-23-6)  
ADP3301 (100 mA, R-8)  
ADP3302 (100 mA, Dual Output)  
ADP3303 (200 mA)  
The ADP3307 operates with a wide input voltage range from  
3.0 V to 12 V and delivers a load current in excess of 100 mA.  
It features an error flag that signals when the device is about to  
anyCAP is a registered trademark of Analog Devices, Inc.  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
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  
www.analog.com  
© Analog Devices, Inc., 2001  

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