GND
T
T
T
T
T
T
GND
GND
GND
GND
GND/ADJ
OUT
VIN
4
T
GND
GND
T
T
T
GND
GND
GND
GND
OUT
AGND
FB
EN
PGND
SW
VIN
PG
GND
GND
T
...
DD-MM
DD-MM
DD-MM
DD-MM
...
...
...
...
...
...
...
...
...
...........
...
...
...
...
...
...
DD-MM-YY
......
Tel +86-755-3331xxxx Fax +86-755-3331xxxx
Nanshan District, Shenzhen, Guangdong
B Building, TCL Tower, Nanhai Road
TCL Thomson Electronics Ltd.
OF :
PAGE:
ON:
BY:
BY:
ON:
CHECKED
DATE
Last saved :
DESCRIPTION
Last modif
NAME
A
3
2
1
F
E
D
C
B
8
7
6
5
5
4
3
2
1
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
F
E
D
C
B
A
4
6
7
8
FORMAT DIN A2
Index-Lab
DESIGNATION
SBU :
TCLNO:
DRAWN
GND
GND
T
GND
GND
GND
GND
GND
VIN
FB
SS
EN
FSW
GND
BST
LX
COMP
GND
GND
GND
GND/ADJ
OUT
VIN
4
T
VOUT
VIN
ADJ/GND
D2
D1
G
S2
S3
D4
D3
S1
GND
GND
GND
LO =>Panel OFF
GND
KEY1
NC
R165/C157 CLOSE TO IC
C198 CLOSE TO connect
NC
R-LED
GND
IR
Vref=0.6V
(Vin=2.5V-5.5V)
@max3A
Fixed OCP=4.2A
If Vout=1V Set RD61=150K RD62=4.7K RD63=220K
If Vout=1.2V Set RD61=150K RD62=0R RD63=150K
If Vout=1.5V Set RD61=150K RD62=8.2K RD63=91K
If Vout=1.8V Set RD61=150K RD62=6.2K RD63=68K
If Vout=5V Set RD95=27K RD96=5.1K RD91=100K CD97 /CD98=22uF/10V(NO:28-CA0226-MBX ) And CD99 NC And LD90=4.7UH(NO:33-YLL479-MTX)
Output 1.5076V=1.25*(1+68/330)
@max4A
BOM COST=2.35RMB
If Input Voltage=24V,CD90/CD91=2.2uF/50V
If Vout=12V Set RD95=51K RD96=3.6K RD91=68K CD97 /CD98/CD99=10uF/16V
Change RD90 to adjust Fsw, Set Fsw=600kHZ
(Vin=3V-36V)
Fixed OCP=5.5A
Vref=0.8V
If Input Voltage=12V,CD90/CD91=10uF/16V(NO:28-CC0106-KBX) RD93=22K
3_3VSB
3_3VSB
SWITCH POWER
HI =>Panel ON
Fixed Fsw=1.2MHZ
For timing sequence
BOM COST=1.22RMB
C107
470P
R110
10R
DD91
SK54
C65
0.1U
CD60
0.1U
1
2
3
4
5
P104
1
2
3
4
P103
R105
CD99
10U
7
8
4
2
3
5
6
1
Q101
PMK50XP
2
3
1
U174 AZ1117
DIM_OUT
B
C
E
Q102
BT3904
5V
R102
33K
R119
0R
3_3V
3_3V
RD62
39K
CD93
NC/220P
NC/0.1U
C172
C171
10U
16V
NC/100U
C174
1_5V
C181
10U
12V
5VSTB
RD93
22K
CD90
10U
CD91
10U
1
2
3
4
U172
AS1117-3.3
RD91
33K
C175
10U
5V
C176
0.1U
RD92
100K
9
6
7
8
4
3
2
1
5
UD90
AOZ1284PI
RD90
82K
CD96
0.1U
CD95
0.047U
DD90
SR34
NC/
RD94
10R
CD9A
0.1U
CD94
1000P
CD92
0.1U
C185
10U
1V5
R171
330R
C182
0.1U
C177
10U
R172
68R
2
40-MS39A0-MAA2HG
3-11-2014_10:05
9
RD95
27K
RD96
5K1
CD97
22U
CD98
22U
LD90
4.7UH
VCCK
CD62
22U
CD63
22U
CD61
10U
5V
LD60
1UH
VCCK
5
6
7
8
4
3
2
1
UD60
MP2143
CD64
10U
120K
RD63
RD61
150K
RD60
510K
R121
2K2
BL_ON_OUT
R122
330R
C103
0.01U
R103
10K
C106
0.01U
C102
0.01U
DIM_PWM
BL_ON
POWER_ON
R104
330R
3_3VSB
C112
10U
C114
22U
C110
10U
3_3VSB
4
1
2
3
U175
AS1117-3.3
5VSTB
C111
0.1U
0.1U
C113
GND
GND
GND
R163
1K
3_3VSB
3_3VSB
0.1U
C157
R165
22K
R164
47K
LED
0.1U
C173
0.1U
C154
R109
220R
KEY
C153
1000P
IR
1
3
2
D100
0BAV99
NC/
F103
GND
3_3VSB
IR
KEY
5VSTB
5V
C115
0.1U
0.1U
C116
R127
2K7
R126
3K3
R125
4K7
R124
33K
Summary of Contents for L40B2800
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