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參數(shù)資料
| 型號： | LM1851 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Ground Fault Interrupter(電源接地失敗中斷器) |
| 中文描述： | 接地故障遮斷（電源接地失敗中斷器） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 87K |
| 代理商： | LM1851 |
LM1851
PRODUCT SPECIFICATION
4
DC Electrical Characteristics
(T
A
= +25
°
C, I
SHUNT
= 5 mA)
Notes:
1. This external applied current is in addition to the internal “output drive current” source.
AC Electrical Characteristics
(T
A
= +25
°
C, I
SHUNT
= 5 mA)
Notes:
1. Average of 10 trials.
2. Required UL sensitivity tolerance is such that external trimming of LM1851 sensitivity is necessary.
Parameters
Power Supply Shunt Regulator
Voltage
Latch Trigger Voltage
Sensitivity Set Voltage
Output Drive Current
Output Saturation Voltage
Output Saturation Resistance
Output External Current Sinking
Capability
1
Noise Integration Sink Current
Ratio
Test Conditions
Pin 8, Average Value
Min
22
Typ
26
Max
30
Units
V
Pin 7
Pin 8 to Pin 6
Pin 1 With Fault
Pin 1 Without Fault
Pin 1 Without Fault
Pin 1 Without Fault, V
PIN1
Held
to 0.3V
Pin 7, Ratio of Discharge Currents
Between No Fault Fault and Fault
Conditions
15
6
0.5
17.5
7
1
100
100
5
20
8.2
2.4
240
V
V
mA
mV
W
mA
2
2.0
2.8
3.6
m
A/
m
A
Parameters
Normal Fault Current Sensitivity
2
Normal Fault Trip Time
1
Normal Fault With Grounded
Neutral Fault Trip Time
1
Conditions
See Figure 9
500
W
Fault, see Figure 10
500
W
Normal Fault
2
W
Neutral, see Figure 10
Min
3
Typ
5
18
18
Max
7
Units
mA
mS
mS
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