FAN4147 Fairchild Semiconductor, FAN4147 Datasheet - Page 2

• Manufacturer Part Number: FAN4147
• Description: The FAN4147 is a low-power Ground Fault Interrupter (GFI) controller for detecting hazardous current paths to ground and ground-to-neutral faults
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN4147 • Rev. 1.0.1
Block Diagram
Typical Application
Typical Values
R1: 91KΩ
R
Notes:
1.
2.
AMPOUT
TEST
Contact Fairchild for best application practices for nuisance tripping rejection.
Exact values depend on sense coil characteristics and application.
VREF
: 15KΩ
VFB
VREF
R
R
SET
IN
: 470Ω
: 511KΩ
VTH
A
1
Figure 2. Typical Application
 ( 2)
Figure 1. Block Diagram
C
C
2
1
2
C1: 22nF
C2: 10nF
Delay
VREF
VTH
T
VS
1
(1)
Driver
SCR
and Bias
Rectifier
C3=1nF
C4=10nF
VS
Q
1
I
1
R
1
www.fairchildsemi.com
SCR
Neutral
Line