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参数资料
| 型号： | LTC6101ACS5#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 5 PIN |
| 文件页数： | 6/20页 |
| 文件大小： | 250K |
| 代理商： | LTC6101ACS5#PBF |
LTC6101/LTC6101HV
14
6101fg
APPLICATIONS INFORMATION
Reverse Supply Protection
Some applications may be tested with reverse-polarity
supplies due to an expectation of the type of fault during
operation. The LTC6101 is not protected internally from
external reversal of supply polarity. To prevent damage
that may occur during this condition, a Schottky diode
should be added in series with V– (Figure 7). This will
limit the reverse current through the LTC6101. Note that
this diode will limit the low voltage performance of the
LTC6101 by effectively reducing the supply voltage to the
part by VD.
In addition, if the output of the LTC6101 is wired to a device
that will effectively short it to high voltage (such as through
an ESD protection clamp) during a reverse supply condi-
tion, the LTC6101’s output should be connected through
a resistor or Schottky diode (Figure 8).
Response Time
The LTC6101 is designed to exhibit fast response to inputs
for the purpose of circuit protection or signal transmission.
This response time will be affected by the external circuit
in two ways, delay and speed.
If the output current is very low and an input transient
occurs, there may be an increased delay before the
output voltage begins changing. This can be improved
by increasing the minimum output current, either by in-
creasing RSENSE or decreasing RIN. The effect of increased
output current is illustrated in the step response curves
in the Typical Performance Characteristics section of this
datasheet. Note that the curves are labeled with respect
to the initial output currents.
The speed is also affected by the external circuit. In this
case, if the input changes very quickly, the internal ampli-
er will slew the gate of the internal output FET (Figure
1) in order to maintain the internal loop. This results in
current owing through RIN and the internal FET. This
current slew rate will be determined by the amplier and
FET characteristics as well as the input resistor, RIN. Us-
ing a smaller RIN will allow the output current to increase
more quickly, decreasing the response time at the output.
This will also have the effect of increasing the maximum
output current. Using a larger ROUT will decrease the re-
sponse time, since VOUT = IOUT ROUT. Reducing RIN and
increasing ROUT will both have the effect of increasing the
voltage gain of the circuit.
Figure 7. Schottky Prevents Damage During Supply Reversal
Figure 8. Additional Resistor R3 Protects
Output During Supply Reversal
6101 F07
LTC6101
R2
4.99k
D1
R1
100
VBATT
RSENSE
L
O
A
D
–
+
V+
V–
OUT
–IN
+IN
6101 F08
ADC
LTC6101
R2
4.99k
D1
R1
100
VBATT
R3
1k
RSENSE
L
O
A
D
–
+
V+
V–
OUT
–IN
+IN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6101ACS5TRMPBF | 制造商:Linear Technology 功能描述: |
| LTC6101AHMS8 | 制造商:Linear Technology 功能描述:SP Amp Current Sense Amp Single 60V 8-Pin MSOP |
| LTC6101AHMS8#PBF | 功能描述:IC AMP CURRENT SENSE 8-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC6101AHMS8#TR | 制造商:Linear Technology 功能描述:SP Amp Current Sense Amp Single 60V 8-Pin MSOP T/R |
| LTC6101AHMS8#TRPBF | 功能描述:IC AMP CURRENT SENSE 8-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:带卷 (TR) |
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