T
DGND
DGND
DGND
DGND
DGND
AAM
IN
SW
EN/SYNC
BST
FB
GND
VCC
DGND
DGND
DGND
DGND
DGND
DGND
DGND
AAM
IN
SW
EN/SYNC
BST
FB
GND
VCC
T
T
T
T
OUT
AGND
FB
EN
PGND
SW
VIN
PG
T
T
GND/ADJ
OUT
VIN
4
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
GND/ADJ
OUT
VIN
4
DGND
T
T
...
DD-MM
DD-MM
DD-MM
DD-MM
...
...
...
...
...
...
...
...
...........
...
...
...
...
...
...
DD-MM-YY
......
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
NC
FOR DDR3 outside power supply
For HbbTV USE
HI =>Panel ON
LO =>Panel OFF
Shielding L 0710
Typ 3A
12V TO 5V
Shielding L 0710
5V NORMAL POWER
Typ 3A
For chip core power supply
Min 1.16V/ Max 1.24V
Vref=0.6V
(Vin=2.5V-5.5V)
@max3A
Fixed OCP=4.2A
Fixed Fsw=1.2MHZ
For timing sequence
BOM COST=1.22RMB
If Vout=1.8V Set R015=150K R017=6.2K R016=68K
If Vout=1.5V Set R015=150K R017=8.2K R016=91K
If Vout=1V Set R015=150K R017=4.7K R016=220K
12V TO 3V3
3V3 POWER SUPPLY
For DDR3 power supply
For +1.2V T2 DEMOD power supply
VCC=0.8(39/12.33+1)=5.24V
VCC=0.8(39/7.27+1)=5.09V
FOR DDR3 power supply
Output 1.5076V=1.25*(1+68/330) & 200mA
If Vout=1.2V Set R015=150K R017=0R R016=150K
If Vout=1.18V Set R015=150K R017=120k R016=33K
C035
22U/6.3V
C019
22U
Q010
2N7002K
R029
4K7
NC
R028
4K7
NC
R045
0R
C039
10U
R027
1K
NC
R026
39K
NC
R016
33K
1
40-MS08GP-MAA2HG
12-5-2014_10:07
7
GJZ
C010
220U
10V
470R
R009
C044
22U/6.3V
100K
R007
NC
5V
5V
R038
330R
12K
R037
3_3V
C027
0.1U
C028
10U
Z3_3VSVB
B
C
E
Q002
BT3904
0.1U
C024
82K
R008
R046
1K
R036
33R
R010
82K
+1_2V_DEMOD
R018
510K
3_3V
1_5V
3_3VSB
3_3VSB
R015
150K
5V
C008
10U/16V
NC
C009
10U/16V
10U
C011
4
3
2
1
AS1117AD
U004
C002
0.01U
0.1U/16V
C043
1
2
3
4
U006
LD1117S12
C026
10U
120K
R017
C017
0.1U
C016
0.1U
R005
DIM_OUT
R006
33K
1V5
R024
330R
R025
68R
VCCK
C018
22U
C015
10U
L000
1UH
VCCK
5
6
7
8
4
3
2
1
U001
MP2143
C020
10U
R000
2K2
BL_ON_OUT
R001
330R
C001
0.01U
R003
10K
C045
0.01U
DIM_PWM
BL_ON
POWER_ON
R004
330R
POWER_ON_OUT
3_3VSB
Z+1_2V_DEMOD
C040
10U
3_3V
C041
0.1U
C013
0.1U
1
2
3
6
5
8
4
7
U000 MP1495
C004
NC/470P
L001
6.8UH
R035
6K8
R011
10K
R013
0R
R012
NC/10R
R034
33K
C005
1000P
C003
15P
R014
39K
0.1U
C012
C006
0.1U
0.1U
C007
12V
C029
10U/16V
NC
C030
10U/16V
10U
C036
C038
0.1U
R039
33R
1
2
3
6
5
8
4
7
U002 MP1495
C034
NC/470P
L002
6.8UH
R022
10K
R030
0R
R020
NC/10R
R021
33K
R019
82K
C033
1000P
C047
15P
R031
39K
0.1U
C021
C032
0.1U
0.1U
C031
82K
R033
100K
R032
12V
R040
33K
R041
4K7
R042
3K3
R043
2K7
G
D
S
Q001
PMV65XP
C025
0.1U
3_3VSB
1_5V
1_5V_E
1_5V_E
Содержание K-LED43FHDST2
Страница 23: ...Power Supply Block Diagram 2...
Страница 24: ...3 Power Supply Flow Power transform 52v...
Страница 41: ......