10.
Circuit Diagrams and PWB Layouts
10-4-2
LED Driver
19617_508.eps
LED Driver
A02
A02
2014-7-10
715G6940
LED Driver
R
8
107
510 OHM +-1
%
1/
8
W
R
8
121
100K
OHM +-1
%
1/
8
W
C
8
107
1N 50V
R
8
124
100K
S1
+
C
8
102
27
u
F 200V
G1
G2
+
C
8
10
3
27
u
F 200V
G1
R8148
0 OHM +-5% 1/8W
L8101
330uH
2
1
R8155
200K 1/8W
+36V/+24V
C
8
105
0.01
u
F 250V
HS8101
HEAT SINK
1
2
3
4
CN8101
CONN
1
2
3
4
5
6
7
VLED_1
VLED+
SENSE2
R8111
200K 1/4W
C
8
109
1
u
F
C8108
220nF 100V
R8106
10K 1/8W 1%
R8102
33 OHM 1/8W
R
8
10
8
4
3
2K
OVP_L
C
8
110
100N 50V
R8112
200K 1/4W
R
8
11
3
5.2
3
K 1
%
1/
8
W
D8102
SS1060FL
R8135
10ohm +/-1% 1/8W
C
8
114
10N 50V
R
8
101
2R2 +-5
%
1/
8
W
R
8
10
3
10K 1/
8
W 1
%
C
8
104
0.01
u
F 250V
R
8
149
20K
R
8
145
5R6 1/4W
R8104
0.2R
D8103
UG58G-01 X0
R8105
1K 1/8W 1%
R
8
144
NC
R8141
15K 1/4W 1%
FB8103
BEAD
1
2
R8136
15K 1/4W 1%
OVP_L
R8143
10K 1/8W 1%
R
8
142
100K
OHM +-5
%
1/
8
W
2D/3D
R8138
1-1% 1/8W
C
8
144
100N 50V
Q8147
P5002CMG
GND806
GND
1
GND807
GND
1
DIM
GND801
GND
1
R
8
147
5R6 1/4W
R
8
146
5R6 1/4W
GND804
GND
1
GND802
GND
1
C8131
1N 50V
GND805
GND
1
R8150
51R 1%
R8115
2M4
C8106
100N 50V
R
8
156
NC
Q8143
P0925AD
Q8145
P5002CMG
R
8
157
5R6 1/4W
R
8
109
100K
OHM +-1
%
1/
8
W
R
8
110
240K 1
%
1/
8
W
Q8149
P0925AD
R8164
200K 1/8W
FB8101
BEAD
1
2
G2
SENSE2
R8151
51R 1%
C8150
100PF
VLED_1
VLED_1
FB8102
BEAD
1
2
R
8
160
5R6 1/4W
R
8
161
5R6 1/4W
R
8
16
3
5R6 1/4W
R
8
165
5R6 1/4W
R8139
10ohm +/-1% 1/8W
C8143
100P 50V
+
C8101
82uF 100V
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
C8145
2.2NF
D8101
UG58G-01 X0
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
6.2K OHM +-1% 1/8W
ON/OFF
Q8101
P0925ATF
Q8102
LMBT3906LT1G
Q8103
2N7002K
GND803
GND
1
R
8
162
5R6 1/4W
+12V
R
8
140
100K
OHM +-1
%
1/
8
W
R
8
120
240K 1
%
1/
8
W
R
8
12
3
240K 1
%
1/
8
W
S1