6
Rev. 0
Figure 4. Two Series-Connected LT3967 ICs
ADDR1
ADDR2
ADDR3
ADDR4
LT3967
ENH
ALERT
SCL
SDA
RTSLK
V
DD
ALERT
SCL
SDA
10k
49.9k
LED
+
C
IN3
1µF
100V
D2
V
IN
V
IN
GND
WDI
D6
D8
D7
S7
S8
S6
D5
S5
D4
S4
D3
S3
D2
S2
D1
S1
LED
–
0.1µF
10k
+5V
+5V
ADDR1
ADDR2
ADDR3
ADDR4
LT3967
ENH
ALERT
SCL
SDA
RTSLK
V
DD
ALERT
SCL
SDA
10k
49.9k
LED
+
C
IN2
1µF
100V
D1
V
IN
GND
WDI
D6
D8
D7
S7
S8
S6
D5
S5
D4
S4
D3
S3
D2
S2
D1
S1
0.1µF
10k
+5V
+5V
LED
+
EXTERNAL
CLOCK
SOURCE
+5V
1k
1k
1k
1k
DC2786A F04
BOARD OPTIONS