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LTC6101HV_15 PDF预览

LTC6101HV_15

更新时间: 2024-11-13 01:17:35
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
22页 258K
描述
High Voltage, High-Side Current Sense Amplifi er in SOT-23

LTC6101HV_15 数据手册

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LTC6101/LTC6101HV  
High Voltage,  
High-Side Current Sense  
Amplifier in SOT-23  
FEATURES  
DESCRIPTION  
TheLTC®6101/LTC6101HVareversatile,highvoltage,high  
sidecurrentsenseamplifiers.Designexibilityisprovided  
by the excellent device characteristics; 300ꢀV Max offset  
and only 375ꢀA (typical at 60V) of current consumption.  
The LTC6101 operates on supplies from 4V to 60V and  
LTC6101HV operates on supplies from 5V to 100V.  
n
Supply Range:  
5V to 100V, 105V Absolute Maximum (LTC6101HV)  
4V to 60V, 70V Absolute Maximum (LTC6101)  
Low Offset Voltage: 300μV Max  
Fast Response: 1μs Response Time (0V to 2.5V on  
a 5V Output Step)  
Gain Configurable with 2 Resistors  
Low Input Bias Current: 170nA Max  
PSRR: 118dB Min  
Output Current: 1mA Max  
Low Supply Current: 250ꢀA, V = 12V  
Specified Temperature Range: –40°C to 125°C  
Operating Temperature Range: –55°C to 125°C  
Low Profile (1mm) SOT-23 (ThinSOT™) Package  
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The LTC6101 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. Low DC  
offset allows the use of a small shunt resistor and large  
gain-setting resistors. As a result, power loss in the shunt  
is reduced.  
S
The wide operating supply range and high accuracy make  
the LTC6101 ideal for a large array of applications from  
automotive to industrial and power management. A maxi-  
mum input sense voltage of 500mV allows a wide range  
of currents to be monitored. The fast response makes the  
LTC6101 the perfect choice for load current warnings and  
shutoff protection control. With very low supply current,  
the LTC6101 is suitable for power sensitive applications.  
APPLICATIONS  
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Current Shunt Measurement  
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Battery Monitoring  
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Remote Sensing  
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Power Management  
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.  
The LTC6101 is available in 5-lead SOT-23 and 8-lead  
MSOP packages.  
TYPICAL APPLICATION  
16-Bit Resolution Unidirectional Output into LTC2433 ADC  
Step Response  
I
V
LOAD  
SENSE  
+
V
SENSE  
R
IN  
100Ω  
5V TO 105V  
ΔV  
SENSE  
= 100mV  
+IN  
–IN  
5.5V  
5V  
L
O
A
D
+
+
V
V
T
= 25°C  
+ = 12V  
A
V
1μF  
5V  
R
R
V
= 100  
= 5k  
IN  
OUT  
V
OUT  
+ = V+  
V
OUT  
SENSE  
OUT  
LTC6101HV  
I
= 100μA  
= 0  
OUT  
LTC2433-1  
TO μP  
0.5V  
0V  
R
OUT  
I
OUT  
4.99k  
500ns/DIV  
6101 TA01  
6101 TA01b  
R
R
OUT  
V
OUT  
=
• V  
= 49.9V  
SENSE SENSE  
IN  
6101fh  
1

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