FAN4149 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 permanently connected GFCI products.
FAN4149 Key Features
- Meets 2015 UL943 Self-Test Requirements
- Precision Sense Amplifier and Bandgap Reference E EW
- Low-VOS Offset for Direct DC Coupling of Sense Coil
- Built-in Noise Filter
- High-Current SCR Gate Driver IN F em N
- Adjustable Sensitivity
- 500 µA Quiescent Current
- Minimum External ponents
- Ideal for 120 V or 220 V Systems