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LT6106CS5#TRPBF 数据手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
放大器、缓冲器
封装:
TSOT-23-5
描述:
LT6106CS5#TRPBF 编带
Pictures:
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LT6106CS5#TRPBF数据手册
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LT6106
1
6106fb
For more information www.linear.com/LT6106
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
36V Low Cost High Side
Current Sense in a SOT-23
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%.
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.
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.
n
Gain Configurable with Two Resistors
n
Low Offset Voltage: 250µV Maximum
n
Output Current: 1mA Maximum
n
Supply Range: 2.7V to 36V, 44V Absolute Maximum
n
Low Input Bias Current: 40nA Maximum
n
PSRR: 106dB Minimum
n
Low Supply Current: 65µA Typical, V
+
= 12V
n
Operating Temperature Range: –40°C to 125°C
n
Low Profile (1mm) ThinSOT™ Package
n
Current Shunt Measurement
n
Battery Monitoring
n
Power Management
n
Motor Control
n
Lamp Monitoring
n
Overcurrent and Fault Detection
LT6106
1k
V
OUT
200mV/A
6106 TA01a
100Ω
3V TO 36V
LOAD
0.02Ω
–
+
V
+
V
–
OUT
–IN+IN
3V to 36V, 5A Current Sense with A
V
= 10 Measurement Accuracy vs Load Current
LOAD CURRENT (A)
0
–1.2
ACCURACY (% OF FULL SCALE)
–1.0
–0.6
–0.4
–0.2
2
4
5
0.6
6106 TA01b
–0.8
1 3
0
0.2
0.4
LIMIT OVER TEMPERATURE
LIMIT OVER TEMPERATURE
TYPICAL PART AT T
A
= 25°C
5A FULL SCALE
R
SENSE
= 0.02Ω
A
V
= 10
R
IN
= 100Ω
R
OUT
= 1k
V
+
= 3V
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
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