Circuit Diagrams and PWB Layouts
10.
10-4-5
LED Current Balance
19430_508_130114.eps
130114
LED Current Balance
A05
A05
2013-01-02
A
715G5792
LED Current Balance
C8504
0.47UF 50V
C8505
0.47UF 50V
IC8502
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
IC8503
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
IC8504
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
IC8505
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
IC8506
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
R8523
NC
R8522
NC
R8521
NC
R8525
NC
R8524
NC
+12V
+12V
+12V
C8517
1N 50V
R8511
10K 1/8W 1%
R8512
NC
On/Off
CN8501
CONN
1
2
3
4
5
6
7
8
9
10
11
12
C8518
1N 50V
DIM_IN
DIM
EN
R8513
10K 1/8W 1%
DIM_IN
LED-COMP
DIM_IN
LED-COMP
LED-COMP
DIM_IN
EN
EN
EN
LED-COMP
LED-1
LED-2
LED-1
IC8501
PF7700A
DIM
1
EN
2
VCC
3
LED
4
GND
5
ISET
6
GM
7
COMP
8
LED-5
LED-2
LED-6
LED-3
LED-4
LED-5
+12V
LED-COMP
EN
C8516
100N 50V
C8503
0.47UF 50V
R8506
10K 1/8W 1%
EN
C8506
0.47UF 50V
LED-6
C8513
100N 50V
LED-3
LED-COMP
DIM_IN
R8501
10K 1/8W 1%
R8503
10K 1/8W 1%
DIM_IN
+12V
R8502
10K 1/8W 1%
VLED
R8504
10K 1/8W 1%
R8505
10K 1/8W 1%
+
C8510
22UF 50V
C8501
0.47UF 50V
DIM_IN
EN
LED-4
+12V
C8502
0.47UF 50V
VLED
C8514
100N 50V
C8515
100N 50V
C8512
100N 50V
C8511
100N 50V