5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
+12V Power5V STANDBY TO 5V NORMAL
((42/7.5)+1)*0.8=5.28V
12V TO 5V STANDBY
DC/DC
5A
((40.2/7.68)+1)*0.8=5V
DC/DC
STANDBY
STANDBY
STANDBY
AGND GND
+12V_Normal+12V_PWR
+5V_Normal+5V_Standby
+5V_Standby
+12V_PWR +12V_PWR
+5V_USB
+5V_Normal
STANDBY2,16
GND 2,3,4,5,6,7,8,9,10,11,12,13,14,16
C1519
100pF/50V/X7R
C1463
10uF/10V/X5R
R1498
24.9K_1%
L1014 6U8/3A
RP3
10K
U1403
MP1471
EN
5
GND
1
VIN
3
FB/OUT
4
SW
2
BST
6
R1506
100K
RP6
10K
C1500
10uF/10V/X5R
U1405
MP1470
EN
5
GND
1
VIN
3
FB/OUT
4
SW
2
BST
6
RP5
10K
R1499
3K_1%
C1476
10uF/10V/X5R
C40
10uF/25V/X5R
RP17
10K
C1499
10uF/25V/X5R
R1496
7.5K_1%
Q504
MEM2303M3G
1
23
CP21
0.1uF/16V/Y5V
R1494
39K_1%
RP18
10K
C1493 1uF/25V/X5R
Q503
MEM2303M3G
1
23
L1016 120R/FBI/NC
1 2
QP3
MMBT3904
1
32
C1483 1uF/25V/X5R
R1508
7.68K_1%
C1498
10uF/25V/X5R
QP2
MMBT3904
1
32
R1507
40.2K_1%
C1497
0.1uF/50V/X5R
+
CE42
470uF/16V/lowESR/NC
R1509
75K_1%
C57
0.1uF/16V/Y5V
C1501
0.1uF/16V/Y5V
CP1
0.1uF/50V/X5R
C1477
10uF/10V/X5R
C39
10uF/25V/X5R
+
CE39
470uF/16V/lowESR/NC
C1478
10uF/10V/X5R
L1017 120R/FBI/NC
1 2
C32
0.1uF/50V/X5R
C1496
10uF/10V/X5R
RP16
10K
C1494
10uF/10V/X5R
L10126U8/3A
C1495
10uF/10V/X5R
R1495
100K
- 39 -