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KA2807

Fairchild
Part Number KA2807
Manufacturer Fairchild
Description Earth Leakage Detector
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA2807 Earth Leakage Detector Features • • • • • Full Advantage of the UL943 Built-In Voltage Re...
Datasheet PDF File KA2807 PDF File

KA2807
KA2807

Overview
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.
0 ©2002 Fairchild Semiconductor Corporation KA2807 Absolute Maximum Ratings Parameter Supply Current Power Dissipation 8-DIP 8-SOP Operating Temperature Range Storage Temperature Range Symbol ICC PD TOPR TSTG Value 19 1.
25 0.
41 -40 ~ +70 -55 ~ +150 Unit mA W °C °C Electrical Characteristics (TA = 25°C, ICC = 5mA) Parameter Shunt Regulator Voltage Amp Reference Voltage Amp High Output Voltage Symbol VREG VREF VOH Conditions Pin8, S1:2, S2:OFF Pin3, S1:2, S2:OFF Pin5, S1:3, S2:ON Sig: 800Hz, 3.
0VP-P Sinewave Pin5, S1:3, S2:ON Sig: 800Hz, 3.
0VP-P Sinewave Pin2, S1:3, S2:ON Sig: 800Hz, 1.
0VP-P ~ 2.
5VP-P Sinewave 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 µArms Latch On Voltage Pin7, S1:3, S2:ON VON(LATCH) Sig: 800Hz, 3.
0VP-P Sinewave ITR VS 1 ZO ISINK Pin1, S1:3, S2:ON Sig:800Hz, 3.
0VP-P Sinewave Pin1, S1:2, S2:OFF Pin1, S1:2, S2:OFF Pin1, S1:2, S2:OFF 16.
5 17.
5 19.
5 V SCR Trigger Current Output Low Voltage Output Impedance Output Sink Current 0.
5 2.
0 1 100 100 6.
0 2.
0 240 250 - mA mV Ω mA 2 KA2807 Test Circuit VCC=31V 1K ICC=5mA 0.
002uF 1.
45MΩ 8 7 KA2807 6 5 1 S1 2 3 4 A3 1 A1 2 3 A2 1K 100K S2 0.
3V 0.
...


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