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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 Normal Fault Sensitivity Current is 5mA Typical 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 KA2807 is a IC for ground fault circuit interrupters which are intended to provide electrical shock hazard protection from line-to-ground fault currents on grounded circuits of 120V supplies. 8-DIP 1 Internal Block Diagram Rev. 5.0 (c)2000 Fairchild Semiconductor International KA2807 Absolute Maximum Ratings Parameter Supply Current Power Dissipation Operating Temperature Range Storage Temperature Range Symbol ICC PD TOPR TSTG Value 19 1250 - 40 ~ + 70 - 55 ~ + 150 Unit mA mW C C Electrical Characteristics (TA = 25C, ICC = 5mA) Parameter Shunt Regulator Voltage Amp Reference Voltage Amp High Output Voltage Symbol VREG VREF VOH Conditions Pin 8, S1:2, S2:OFF Pin 3, S1:2, S2:OFF Pin 5, S1:3, S2:ON Sig: 800Hz, 3.0VP-P Sinewave Pin 5, S1:3, S2:ON Sig: 800Hz, 3.0VP-P Sinewave Pin 2, S1:3, S2:ON Sig: 800Hz, 1.0VP-P ~ 2.5VP-P Sinewave Pin 7, S1:3, S2:ON Sig: 800Hz, 3.0VP-P Sinewave Pin 1, S1:3, S2:ON Sig:800Hz, 3.0VP-P Sinewave Pin 1, S1:2, S2:OFF Pin 1, S1:2, S2:OFF Pin 1, S1:2, S2:OFF Min. 23 9.5 17 Typ. 26 10.5 19 Max. 29 11.5 21 Unit V V V Amp Low Output Voltage VOL 1.5 2.5 3.5 V Amp Sensitivity Current ISEN 3.5 5 6.5 A Latch On Voltage VON(LATCH) 16.5 17.5 19.5 V SCR Trigger Current Output Low Voltage Output Impedance Output Sink Current ITR VS 1 ZO ISINK 0.5 2.0 1 100 100 6.0 2.0 240 250 - mA mV W mA 2 KA2807 Test Circuit 3 KA2807 Mechanical Dimensions Package Dimensions in millimeters 8-DIP 1.524 0.10 0.018 0.004 0.060 0.004 0.46 0.10 6.40 0.20 0.252 0.008 0.79 ) 0.031 #8 9.20 0.20 0.362 0.008 9.60 MAX 0.378 #5 2.54 0.100 5.08 MAX 0.200 7.62 0.300 3.40 0.20 0.134 0.008 3.30 0.30 0.130 0.012 0.33 MIN 0.013 #1 #4 0.25 -0.05 0~15 +0.10 0.010 -0.002 +0.004 4 ( KA2807 Ordering Information Product Number KA2807 Package 8-DIP Operating Temperature -40 ~ + 70C 5 KA2807 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR INTERNATIONAL. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. www.fairchildsemi.com 9/25/00 0.0m 001 Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. |
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