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KA2807

Earth Leakage Detector
Features
Full Advantage of the UL943 Built-In Voltage Regulator Sense Coil: 1000:1 GND/Neutral Coil: 200:1 Trip Time in Normal Fault and Ground Neutral Fault is 18ms Typ Wide Operating Temperature Range Excellent ESD Characteristic 1mA Output Current Pulse to Trigger SCR

Description
The KA2807 is a IC for ground fault circuit interrupters which are intended to provide an electrical shock hazard protection from line to ground fault currents on grounded circuits of 120V supplies.

8-DIP

1

8-SOP

1

Internal Block Diagram
VCC 8 AMP OUT 5 TIMING RESISTOR 6

V.REG.

TIMING CONTROL

INPUT

3

AMP 7 TIMING CAPACITOR

-INPUT

2

LATCH 4 GND

1 TRIGGER OUT

Rev. 1.0.0
2002 Fairchild Semiconductor Corporation

KA2807 Datasheet Fairchild Download PDF

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KA2807 DATASHEET