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KA2807 - Earth Leakage Detector

General 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.

V.REG.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.fairchildsemi.com 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.