KA2807 Ground Fault Circuit Interrupter Description The KA2807 is an IC for ground fault circuit interrupters which are intended to provide an electrical shock hazard protection from line to www.onsemi.com ground fault currents on grounded circuits of 120 V supplies. Features RELATED STANDARDS Full Advantage of the UL943 UL943 BuiltIn Voltage Regulator Sense Coil Ratio 1000:1 GND/Neutral Coil Ratio 200:1 Trip Time in Normal Fault and Grounded Neutral Fault is 18 ms Typ SOIC8 Micro8 Wide Operating Temperature Range CASE 751EB CASE 846A Excellent ESD Characteristic 1 mA Output Current Pulse to Trigger SCR MARKING DIAGRAMS Available in 8 Pin SOIC and 8 Pin MSOP PbFree Device 8 8 ON AYWZZ KA2807 KA2807 AYW 1 1 SOIC8 Micro8 KA2807 = Specific Device Code A = Assembly Location Y = Year W = Work Week ZZ = Assembly LOT Code = PbFree Package (Note: Microdot may be in either location) ORDERING INFORMATION Device Package Shipping KA2807DTF SOIC 2,500 / (PbFree) Tape & Reel KA2807MUX Micro8 4,000 / (PbFree) Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. Semiconductor Components Industries, LLC, 2002 1 Publication Order Number: July, 2019 Rev. 2 KA2807/DKA2807 PIN ASSIGNMENT Trigger Out 18 VCC Input27 Timing Capacitor 36 + Input Timing Resistor 45 GND Amp Out Figure 1. Pin Out KA2807 in 8pin SOP or MSOP (Top View) BLOCK DIAGRAM TIMING VCC AMP OUT RESISTOR 8 5 6 V. REG. TIMING CONTROL +INPUT 3 + AMP TIMING 7 CAPACITOR INPUT 2 LATCH 4 1 GND TRIGGER OUT Figure 2. KA2807 Block Diagram www.onsemi.com 2