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PDF IL4145A Data sheet ( Hoja de datos )
| Número de pieza | IL4145A | |
| Descripción | Low Power Ground Fault Interrupter | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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TECHNICAL DATA
Low Power Ground Fault Interrupter
IL4145A
The IL4145AN is a low power controller for AC outlet ground fault
interrupters. These devices detect hazardous grounding conditions, such as
equipment (connected to opposite phases of the AC line) in contact with a
pool of water and open circuits the line before a harmful or lethal shock
occurs.
Contained internally are a 26V zener shunt regulator, an op amp, and an SCR
driver. With the addition of two sense transformers, a bridge rectifier, an
SCR, a relay, and a few additional components, the IL4145AN will detect
and protect against both hot wire to ground and neutral wire to ground faults.
The simple layout and conventional design ensure ease of application and
long-term reliability.
No potentiometer required
Direct interface to SCR
Supply voltage derived from AC line – 26V shunt
Adjustable sensitivity
Grounded neutral fault detection
Meets U.L. 943 standards
450 μA quiescent current
Ideal for 120 V or 220 V systems
ORDERING INFORMATION
IL4145AN DIP
IL4145AD SOP
TA = -35 to 85 C for all packages.
BLOCK DIAGRAM
VFB
+Input
VREF
(+13V)
Ground
+
R1
10K
R2
10K
6.5 V 6.5 V
+
6.5 V 6.5 V
+
R3
4.7K
Op Amp Output
+VS
(+26V)
SCR Trigger
PIN ASSIGNMENT
VFB
+Input
VREF
GND
1
2
3
4
8 NC
7 Op Amp Output
6 +VS
5 SCR Trigger
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
ICC Supply Current
PD Internal Power Dissipation
Tstg Storage Temperature Range
18
500
-65 to +150
mA
mW
°C
Topr Operating Temperature Range
-35 to +85
°C
TJ Junction Temperature
125 °C
TL Lead Temperature
125 °C
PD
TA< 50°C
For TA> 50°C Derate at
450 mW
6 mW/°C
* Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
These are stress ratings only and functional operation of the device at these or any other conditions beyond those
indicated under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
January, 2011, rev.01
1 page  
IL4145A
MOV
Line
RTEST
15K
Sense Transformer
Press
To Test
1000:1
C1
10F
Hot
Neutral
RSENSE
1M*
IL4145AN
VFB Op Amp Output
VREF(+13V)
+VS
GND
SCR Trigger
RLINE
24 K
Latching
Contacts
K1
Load
Solenoid
DB1
1N4004 (4)
CF
2.2F
Q1 Tagi
X0103DA
C2
0.01F
* Value depends on transformer characteristics.
Figure 2. GFI Application Circuit (Two-Wire Outlet)
January, 2011, rev.01
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IL4145A.PDF ] | |
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