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MAX4372TEBT-T

更新时间： 2024-11-27 05:49:07
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
11页 221K
描述
Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output

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MAX4372TEBT-T 数据手册

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19-1548; Rev 4; 7/09  
Low-Cost, UCSP/SOT23, Micropower, High-Side  
Current-Sense Amplifier with Voltage Output  
MAX4372TF/H  
General Description  
Features  
The MAX4372 low-cost, precision, high-side current-  
sense amplifier is available in a tiny, space-saving  
SOT23-5-pin package. Offered in three gain versions  
(T = 20V/V, F = 50V/V, and H = 100V/V), this device  
operates from a single 2.7V to 28V supply and con-  
sumes only 30µA. It features a voltage output that elimi-  
nates the need for gain-setting resistors and is ideal for  
today’s notebook computers, cell phones, and other  
systems where battery/DC current monitoring is critical.  
o Low-Cost, Compact Current-Sense Solution  
o 30µA Supply Current  
o 2.7V to 28V Operating Supply  
o 0.18% Full-Scale Accuracy  
o 0.3mV Input Offset Voltage  
o Low 1.5Ω Output Impedance  
o Three Gain Versions Available  
20V/V (MAX4372T)  
High-side current monitoring is especially useful in bat-  
tery-powered systems since it does not interfere with  
the ground path of the battery charger. The input com-  
mon-mode range of 0 to 28V is independent of the sup-  
ply voltage and ensures that the current-sense  
feedback remains viable even when connected to a  
2-cell battery pack in deep discharge.  
50V/V (MAX4372F)  
100V/V (MAX4372H)  
o High Accuracy +2V to +28V Common-Mode  
Range, Functional Down to 0V, Independent of  
Supply Voltage  
The user can set the full-scale current reading by  
choosing the device (T, F, or H) with the desired volt-  
age gain and selecting the appropriate external sense  
resistor. This capability offers a high level of integration  
and flexibility, resulting in a simple and compact cur-  
rent-sense solution. For higher bandwidth applications,  
refer to the MAX4173T/F/H data sheet.  
o Available in a Space-Saving 5-Pin SOT23 Package  
and 3 x 2 UCSP™ (1mm x 1.5mm) Package  
Ordering Information  
TOP  
MARK  
PART  
TEMP RANGE PIN-PACKAGE  
Applications  
Power-Management Systems  
General-System/Board-Level Current Monitoring  
Notebook Computers  
MAX4372TEUK-T -40°C to +85°C 5 SOT23-5  
ADIU  
—
ACX  
MAX4372TESA  
-40°C to +85°C 8 SO  
MAX4372TEBT-T -40°C to +85°C 3 x 2 UCSP  
Note: Gain values are as follows: 20V/V for the T version, 50V/V  
for the F version, and 100V/V for the H version.  
Portable/Battery-Powered Systems  
Smart-Battery Packs/Chargers  
Cell Phones  
Ordering Information continued at end of datasheet.  
Typical Operating Circuit  
Precision-Current Sources  
I
LOAD  
Pin Configurations  
GND  
RS-  
TOP VIEW  
TOP VIEW  
(BUMPS ON BOTTOM)  
1
2
3
MAX4372T/F/H  
OUT  
LOAD/  
BATTERY  
A/D  
CONVERTER  
GND  
1
2
3
5
4
RS-  
RS+  
R
V
SENSE  
SENSE  
V
GND  
OUT  
CC  
A
B
MAX4372T/F/H  
OUT  
MAX4372T/F/H  
V
CC  
RS+  
RS-  
+2.7V TO +28V  
V
RS+  
CC  
V
CC  
0.1μF  
V
UCSP  
IN  
0 TO 28V  
SOT23-5  
Pin Configurations continued at end of datasheet.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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MAX4372TEBT-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX4372HEUK+T MAXIM

完全替代

 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO5, ROHS COMPLIANT, MO-178-AA,
MAX4372TEBT+T MAXIM

完全替代

 Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output
MAX4372FESA+ MAXIM

类似代替

 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS-012-AA, SOIC

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MAX4372TESA+T MAXIM

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MAX4372TEUK+T MAXIM

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