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LT6106CS5TRMPBF PDF预览

LT6106CS5TRMPBF

更新时间: 2024-11-25 04:12:47
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 240K
描述
36V Low Cost High Side Current Sense in a SOT-23

LT6106CS5TRMPBF 数据手册

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LT6106  
36V Low Cost High Side  
Current Sense in a SOT-23  
FEATURES  
DESCRIPTION  
The LT®6106 is a versatile high side current sense ampli-  
fier. Design flexibility is provided by the excellent device  
characteristics: 250μV maximum offset and 40nA maxi-  
mum input bias current. Gain for each device is set by two  
resistors and allows for accuracy better than 1%.  
Gain Configurable with Two Resistors  
Low Offset Voltage: 250μV Maximum  
Output Current: 1mA Maximum  
Supply Range: 2.7V to 36V, 44V Absolute Maximum  
Low Input Bias Current: 40nA Maximum  
PSRR: 106dB Minimum  
The LT6106 monitors current via the voltage across an  
external sense resistor (shunt resistor). Internal circuitry  
converts input voltage to output current, allowing for a  
small sense signal on a high common mode voltage to  
be translated into a ground referenced signal. The low DC  
offset allows for monitoring very small sense voltages. As  
a result, a small valued shunt resistor can be used, which  
minimizes the power loss in the shunt.  
+
Low Supply Current: 65μA Typical, V = 12V  
Operating Temperature Range: –40°C to 125°C  
Low Profile (1mm) ThinSOTTM Package  
APPLICATIONS  
Current Shunt Measurement  
Battery Monitoring  
Power Management  
The wide 2.7V to 44V input voltage range, high accuracy  
and wide operating temperature range make the LT6106  
ideal for automotive, industrial and power management  
applications. The very low power supply current of the  
LT6106 also makes it suitable for low power and battery  
operated applications.  
Motor Control  
Lamp Monitoring  
Overcurrent and Fault Detection  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
TYPICAL APPLICATION  
3V to 36V, 5A Current Sense with AV = 10  
Measurement Accuracy vs Load Current  
3V TO 36V  
0.6  
LIMIT OVER TEMPERATURE  
0.4  
0.2  
100Ω  
0.02Ω  
0
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
TYPICAL PART AT T = 25°C  
A
+IN  
–IN  
+
LOAD  
LIMIT OVER TEMPERATURE  
+
V
V
5A FULL SCALE  
R
= 100Ω  
= 1k  
OUT  
IN  
R
V
= 0.02Ω  
R
SENSE  
+
A
= 10  
V = 3V  
–1.2  
OUT  
V
OUT  
0
4
5
1
2
3
LT6106  
200mV/A  
LOAD CURRENT (A)  
1k  
6106 TA01b  
6106 TA01a  
6106fa  
1

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