 English |
|
|
|
|
|
|
|
| FAN4147SX Datasheet, PDF (2/10 Pages) Fairchild Semiconductor – Ground Fault Interrupter | |||
| |||
| ◁ |
Block Diagram
AMPOUT
VFB
VREF
VREF
A1
VTH
C1
Delay
T1
SCR
Driver
VS
I1
Q1
R1
SCR
C2
VS
VREF
VTH
Rectifier
and Bias
Neutral
Line
Typical Application
Line Hot
Line Neutral
MOV
Figure 1. Block Diagram
RTEST
TEST
Neutral Coil 1:200
Sense Coil 1:1000
C3 C2
RIN
Load Hot
Load Neutral
Q1
SCR
AmpOut
RSET
C1
Neutral
VFB
C4
Line
R1
VREF
Figure 2. Typical Application(1)
Typical Values
R1: 91Kï
RTEST: 15Kâ¦
RSET: 511Kï (2)
RIN: 470Ω
C1: 22nF
C2: 10nF
Notes:
1. Contact Fairchild for best application practices for nuisance tripping rejection.
2. Exact values depend on sense coil characteristics and application.
© 2010 Fairchild Semiconductor Corporation
FAN4147 ⢠Rev. 1.0.1
2
C3=1nF
C4=10nF
www.fairchildsemi.com
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese