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FAN4149 - Ground Fault Interrupter

Description

The FAN4149 is a low-power controller for detecting hazardous current paths to ground and ground-toneutral faults.

The FAN4149 application circuit opens the load contacts before a harmful shock occurs.

Features

  • SIG.
  • Meets 2015 UL943 Self-Test Requirements E (in combination with FAN41501) D D.
  • Precision Sense Amplifier and Bandgap Reference E EW.
  • Low-VOS Offset for Direct DC Coupling of Sense Coil N.
  • Built-in Noise Filter UOR i.
  • High-Current SCR Gate Driver IN F em N.
  • Adjustable Sensitivity ED ns TIO.
  • 500 µA Quiescent Current T ND R o MA.
  • Minimum External Components E U R.
  • Ideal for 120 V or 220 V Systems NMM YO FO.
  • Space-Saving, SOT23, 6-Pin Package O C.

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FAN4149 — Ground Fault Interrupter May 2024 FAN4149 Ground Fault Interrupter N Features SIG  Meets 2015 UL943 Self-Test Requirements E (in combination with FAN41501) D D  Precision Sense Amplifier and Bandgap Reference E EW  Low-VOS Offset for Direct DC Coupling of Sense Coil N  Built-in Noise Filter UOR i  High-Current SCR Gate Driver IN F em N  Adjustable Sensitivity ED ns TIO  500 µA Quiescent Current T ND R o MA  Minimum External Components E U R  Ideal for 120 V or 220 V Systems NMM YO FO  Space-Saving, SOT23, 6-Pin Package O CO CT R IN Applications C T RE NTA FO  GFCI Output Receptacle O O E  GFCI Circuit Breakers ISIS N E C TIV  Portable GFCI Cords THISDDEVICERPELPERAESSENTA  Residual-Current Devices (RCD) Description The FAN4149 is a low-power controller for detec
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