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Schematic Diagrams
B - 38 DDR Power (71-M4000-D03)
B.Schematic Diagrams
DDR Power
VDDP
+3V
2.5V
+2.5V
SYS5V
VIN
1.8VS2.5V +1.8VS
SYS5V
+1.25VS
+5V
+1.8V
SYS5V
1.5V +1.5VS
+3VS SYS3V
SYS3V
VCCVID
SYS5V
SYS5V
3VH8
DD_ON#38
SUSB-29,39
SUSB-29,39
PWRGOOD_VID36SUSB-29,39
1.25_VREF
VDDP
PQ20B
FDS6982
7
2
1
8
PJ2
5mm
PC49 1U
12
+
PC30
220U/4V
12
PC112 0.1uF
12
PC111
1U
1
2
PC106
0.1uF/25V
1
2
PL1
4.7UH
1 2
PC34
10U_1210
1
2
PC33
10U_1210
1
2
PC50
0.1uF
12
PC132 1000P
12
PC52 1U
12
+
PC26
*220U/4V
12
PQ25
2N7002
G
DS
PC107
0.1uF/25V
1
2
PC115
0.1U
1
2
PR53
0
1 2
PQ52
2N7002
G
DS
PQ51
2N7002
G
DS
+
PC27
*220U/4V
12
PJ3
6mm
PC133 1000P
12
PR23
100K
PU1
MIC5245-1.8BM5
1
2
3 4
5
VIN
GND
SD BP
VO
PC19
1U
PC15
1U
PC16
0.01U
PR133
100K
12
PR132
100K
12
PC20
10U
PR28
19.6K_1%
PR26
200
PC93
0.1UF(R)
PR25
10K
PR27
10K_1%
PC113 1U
12
PC21
10U
PR103 20K 1%
1 2
PJ7
4mm
1 2
PC92
10U
PC91
10U
PC22
0.1UF
PR101
10K 1%
12
PD17
RB751V
AC
PR102
10K 1%
12
PR96 0
1 2
PL2
4.7uH
12
PU8
MIC37302(S-PAK5)
2
1 5
4
3
VI
ON/OFF ADJ
VO
GND
PR99
64.9K 1%
12
SC1486
PU5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
PGND1
DL1
VDDP1
ILIM1
LX1
DH1
BST1
REFIN
TON2
REFOUT
VCCA2
FBK2
PGOOD2
AGND2
PGND2
DL2
VDDP2
ILIM2
LX2
DH2
BST2
EN/PSV1
TON1
VOUT1
VCCA1
FBK1
PGOOD1
AGND1
PR100
16.2K 1%
12
PC134
100pF
1
2
PC51
1U
1
2
PD16
RB751V
AC
PR105 750K
+
PC31
220U/4V
12
PQ20A
FDS6982
5
4
3
6
PR163
0
12
PR95 10
1 2
PR93 1M
PC116
1000pF
1
2
PC144
0.1uF
PC145
0.1uF
PR172
10K 1%
PR170 15K
PC140 0.1uF
PR166
1M
PR171
20K 1%
+
PC143
*220U/4V
12
+
PC142
220U/4V
12
PQ66B
FDS6982
7
2
1
8
PQ66A
FDS6982
5
4
3
6
PR165 10
PU10
SC1470
1
2
3
4
5
6
7 8
9
10
11
12
13
14
EN/PSV
VIN
VOUT
VCCA
FBK
PGOOD
GND PGND
DL
VDDP
ILIM
LX
DH
BST
PC141
0.01U
1
2
PR167
10K
PC138
0.1uF/25V
1
2
PC139
10U_1210
1
2
PJ9
6mm
1 2
PR173 0
PR81
10K
PC44
1U
PC109
1U
PC108
C(R)
PU4
MIC5258-1.2BM5
1
2
3 4
5
VIN
GND
EN PG
VO
PR50
10K
PL10
2.5UH
1 2
PC118
0.01U
PR169 100K
PQ64
2N7002
G
DS
PQ65
2N7002
G
DS
PR168
0
12
PR51 10K
PC147
4.7U_0805
1
2
PR164 0
PU9
MIC5245-3.3BM5
1
2
3 4
5
VIN
GND
SD BP
VO
PC121
1U
PC117
1U
PJ11
1mm
PR97 20K 1%
1 2
PC156
100P
1
2
PD38
RB751V
AC
PR98
10K
1 2
T
TT
PQ71
IRF7807D1
4
62
5
73
1
8
PQ70
Si4800
4
62
5
73
1
8
VIN11,27,36,38,39
5A
100mA
30 mil
3A3A
3A
100mA
30 mil
100mA
30 mil
Sheet 37 of 41
DDR Power