Circuit Diagrams and PWB Layouts
10.
10-2-2
LED Driver
19900_504.eps
LED Driver
A02
A02
2014-05-12
715G6338
LED Driver
VLED+
VLED+
R
8
107
510 OH
M
+
-1
%
1/
8
W
R
8
121
100KOH
M
+
-1
%
1/
8
W
C
8
107
1N
50V
R
8
124
100K 1/
4W
S1
+
C
8
102
8
2
u
F
100V
G1
G2
+
C
8
10
3
8
2
u
F
100V
G1
R8148
0R051/8W
R8116
0.1R 2W
L8101
33uH
2
1
R8155
200K 1/8W
+36V/+24V
C
8
105
220nF
50V
SENSE2
R
8
111
150K 1/
4W
+
/-1
%
C
8
109
1U
F
50V
C8108
100N 50V
R8106
10K 1/8W 1%
R8102
33 OHM 1/8W
R
8
10
8
33
0K 1
%
1/
8
W
OVP_L
C
8
110
100N
50V
R
8
112
150K 1/
4W
+
/-1
%
R
8
11
3
1
0
K
O
HM +
-1
%
1/
8
W
VLED_1
VLED_2
D8102
SS1060FL
R8135
10ohm +/-1% 1/8W
C
8
114
10N
50V
R
8
101
2R
2 +
-5
%
1/
8
W
R
8
10
3
10KOH
M
+
-1
%
1/
8
W
C
8
104
220nF
50V
R
8
149
20K
R
8
145
NC
R8104
0.1R 2W
R
8
105
1K 1/
8
W 1
%
FB8103
BEAD
1
2
OVP_L
R8143
NC
R
8
142
NC
2D/3D
R
8
1
38
100KOH
M
+
-5
%
1/
8
W
C
8
144
NC
R8136
20K 1/8W
Q8147
NC
GND806
NC
1
GND807
NC
1
DIM
GND801
NC
1
HS8101
HEAT SINK
1
2
3
4
R
8
147
NC
R
8
146
NC
GND804
NC
1
GND802
NC
1
C8131
1N 50V
GND805
NC
1
R8115
1M 1/8W 5%
Remove R8114&R8150
C8106
100N 50V
Q8143
MTBA5N10J3
Q8145
NC
R
8
157
NC
R
8
109
100KOH
M
+
-1
%
1/
8
W
R
8
110
240K 1
%
1/
8
W
Q8149
MTBA5N10J3
R
8
164
200K 1/
8
W
FB8101
BEAD
1
2
G2
SENSE2
VLED_1
CN8101
CONN
1
2
3
4
5
6
7
8
9
10
11
12
VLED_1
FB8102
BEAD
1
2
R
8
160
NC
R
8
161
NC
R
8
144
0.
75R
1
%
R
8
156
0.
75R
1
%
R8139
10R 1/8W 5%
C8143
100P 50V
+
C8101
330uF 50V
VLED+
IC8101
LD7890GS
VIN
1
OVP
2
EN
3
RT
4
COMP
5
PARL
6
SENSE1
7
Gate1
8
FB1
9
SENSE2
10
Gate2
11
FB2
12
SENSE3
13
Gate3
14
FB3
15
SENSE4
16
Gate4
17
FB4
18
STATUS
19
LOSC
20
DIM
21
CS
22
GND
23
DRV
24
D8101
SP10150
1
2
3
ZD8101
BZT52-B9V1_R1_00001
1
2
C8132
100N 50V
+36V/+24V
C8133
1N 50V
R8134
10K 1/4W
R8133
10K OHM +-5% 1/8W
R8137
10KOHM
ON/OFF
Q8102
LMBT3906LT1G
Q8103
2N7002K
GND803
NC
1
+12V
R
8
140
100KOH
M
+
-5
%
1/
8
W
R
8
120
240K 1
%
1/
8
W
R
8
12
3
240K 1
%
1/
8
W
Q8101
MTE65N15FP
S1