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| FAN4147SX Datasheet, PDF (8/10 Pages) Fairchild Semiconductor – Ground Fault Interrupter | |||
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Typical Performance Characteristics
Unless otherwise specified, results are TA=25°C and according to Figure 2 with solenoid disconnected.
Sense amplifier oscillates with 2Ω
grounded neutral fault
Ch1: Line (Pin 3) 10V/Div
Ch2: AmpOut (Pin 6) 5V/Div
Ch3: SCR (Pin 1) 1V/Div
Figure 8. Typical Waveforms for Grounded Neutral Detection
~6.9KHz Sense Amplifier
Oscillation
Ch2: AmpOut (Pin 6) 2V/Div
Figure 9. Typical Waveform for Grounded Neutral Detection
© 2010 Fairchild Semiconductor Corporation
FAN4147 ⢠Rev. 1.0.1
8
www.fairchildsemi.com
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