Prestigio Visconte - Power Board 5 V, 3.3 V, +12 V

B.Schematic Diagrams
Power Board 5V, 3.3V, +12V
VIN_P 25,26,28,29
PC44
10U_0805
PR70
0
VIN1_P 26,29
PR83
100K
PQ10A
AO4900
5
4
3
6
PR69
10K_1%
PC64
33P
PQ20 2SC4672
B
EC
2A
PC135
10UF/25
PLLFLTR:0V for 220KHZ
VL_P 26
PC49 0.1U
PC62
100P
VL_P
+12V_P
+
PC117
47U/6.3V_D
PC83
0.1U
4A
PQ11A
AO4900
5
4
3
6
PC53
10U/25V_1206
+VDD5_P
+VDD3_P 28,29
DD_ON#_P
PD12
SCS551V
A C
PC147
33P
Open for burst mode
PJ7
OPEN
1 2
V+
FCB:0V for continuous mode
PC56
1000P_R
PC18
0.1U
PC63
1000P
PC97
2200P
PR1
0
PR13
10m_2512
DD_ON#_P26,29
PR50
19.6K_1%
PR28 0_R
PR34
15K
PC80
0.01U
PC48
1000P
PQ10B
AO4900
7
2
1
8
PC101
0.1U
PC59
33P
VIN_P
PR22
19.1K_1%
5V for 640KHZ
PQ28
2N7002
G
DS
PU1
LTC3728LX
24
26
25
22
30
31
3
23
1
2
5
4
7
6
20
17
14
15
18
12
11
9
8
21
28
13
27
19
10
16
29
32
BOOST1
TG1
SW1
BG1
SENSE1+
SENSE1-
PLLIN
VIN
VOSENSE1
PLLFLTR
ITH1
FCB
3.3VOUT
SGND
INTVCC
BOOST2
TG2
SW2
BG2
SENSE2+
SENSE2-
VOSENSE2
ITH2
EXTVCC
RUN/SS1
RUN/SS2
PGOOD
PGND
NC
NC
NC
NC
5A
PC1 0.1U
PC13
0.01U_R
PQ19
DTA114EUA
CE
B
PR18
60.4K_1%
V+
PR29 0
5A
2004/3/18
PC36
100P_R
2A
PR47
105K_1%
PC50
0.1U
PC2 0.1U
+12V_P
PC57
10U/25V_1206
PC43
0.1U
PD7
11FS2
A C
PC45
0.1U
VIN1_P
PR19
10m_2512
PQ18
2SD1782K
B
E C
0.1A
PR2 1M
PR25
0_R
PR77
100K
PL2 1:2.2
4 3
21
PC22 0.1U
PR30 15K_R
PJ9
OPEN_5A
1 2
PJ5
OPEN_10mil
12
PR7 0
PR60
11.5K_1%
PR67
1.21K_1%_0805
PZD1
5.1V
A C
+
PC126
47U/6.3V_D
+VDD5_P 25,26,29
PC98
0.01U
PQ11B
AO4900
7
2
1
8
PC100
0.1U_X7R
PC12 0.1U
PC4
0.1U
PQ21
DTC114EUA
CE
BPC89
10U/25V_1206
PR8
0_R
4A
PR27 0
PQ29
RSS090N03
4
8
5
1
3
7
6
2
PD10
SCS551V
AC
+VDD3_P
PC3
0.1U
PJ8
OPEN_5A
1 2
PR49 1K
PC105
0.01U
+VDD3_P
VIN_P
PC125
10U/25V_1206
VL_P
+3V_P 29
5V for constant mode
PL1
4.7UH
PC90
10U/25V_1206
+3V_P
+
PC109
220U/4V_R
0.1A
PR10 1M
VL_P
PC137
10P
+VDD5_P
PC88
10U/25V_1206
DDON_P29
+
PC121
220U/4V_D
Sheet 27 of 31
Power Board
5V, 3.3V, +12V
TECHNICAL SERVICE MANUAL Prestigio Visconte 125W
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