Datasheet

LTC6991
20
6991fb
TYPICAL APPLICATIONS
Isolated AC Load Flasher
LTC6991
GND
SET
R
SET
237k
V
+
0.1µF
5V
5V
RST
5
2
10 SECONDS ON/OFF
66
4
2
1
43
1
OUT
DIV
R3
10k
OPEN = OFF
GND = ON
R2
392k
R5
5.94k
U3
NTE5642
ISOLATION BARRIER = 7500V
HOT
117V AC
NEUTRAL
AC
R6
10k
R4
215
R1
1M
C2
0.022µF
ZERO
CROSSING
U2
MOC3041M
R7
100
40W LAMP
6991 TA05
Interval (Wiper) Timer
LTC6991
0.1µF
2s
2s
5s
5s
15s
30s
1m
2m
4m
4m
OFF
66.5k
280k
182k
182k
18.2k
1M
V
+
RST
GND
SET
OUT
V
+
DIV
LTC6993-1
0.1µF
OUTPUT
1M
t
INTERVAL
2 SECONDS TO
4 MINUTES
V
+
2s
TRIG
GND
SET
OUT
V
+
DIV
681k
6991 TA06
383k
2s
2s
5s
15s
30s
5V
1m
2m
4m
OFF
V
+
15s
30s
1m
2m
OFF
280k
113k
133k