IL54123
GROUND FAULT INTERRUPTER EARTH
LEAKAGE CURRENT DETECTOR
Description
The IL54123N/D is designed for use in earth leakage circuit interrupters for
operation directly off the AC Line in breakers.
It contains pre regulator, main regulator, after regulator, differential
amplifier, level comparator, latch circuit. The input in the differential amp
latch circuit. The input in the differential amplifier is connect to the
secondary node of zero current transformer.
The level comparator generates high level when earth leakage current is
greater than some level.
IL54123
Feature
• Low Power Consumption (P
D
=5mW) 100V/200V
• 100V/200V Common Built-in Voltage Regulator
• High Gain Differential Amplifier
• High Input Sensitivity (V
T
= 6.1mV Typ.)
• Minimum External Parts
• Large Surge Margin
• Wide Operating Temperature Range (T
А
= -40 to 85°C)
• High Noise Immunity
• Meet U. L. 943 standards
ORDERING INFORMATION
IL54123N Plastic
IL54123D SOIC
IL54123S SIP-8
T
A
= -40° to 85° C for all packages.
Absolute Maximum Ratings (T^=25°c)
Supply Voltage
Supply Current
Power Dissipation
Operating Temperature
Storage Temperature
20V
8mA
200m W
- 40 to 85°C
- 55 to 125°C
Pin Configuration
(Top
View)
V
R
1
V
R
IN
GND
O
D
1
2
3
4
8
7
6
5
V+
Os
IN 2
GND 3
O
D
4
N
R
Sc
S
C
5
N
R
6
O
S
7
V+ 8
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