Download FAN4149 Datasheet PDF
Fairchild Semiconductor
FAN4149
Features - Meets 2015 UL943 Self-Test Requirements E (in bination with FAN41501) - Precision Sense Amplifier and Bandgap Reference E EW - Low-VOS Offset for Direct DC Coupling of Sense Coil - 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 ponents - 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 - 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 detecting hazardous current paths to ground and ground-toneutral faults. The FAN4149 application circuit opens the load contacts before a harmful shock occurs. The FAN4149, in bination with the FAN41501 automonitoring digital controller, meets the 2015 UL943 selftest requirements for...