Schematic Diagrams

B - 32 DDR Power (71-D4000-D04)

B.Schematic Diagrams
DDR Power
VDDP
SYS5V 3VH8
+3V +1.8V
VCCVID
+3VS SYS3V
2.5V+2.5V
SYS5V
VIN
SYS3V
1.8VS2.5V +1.8VS
SYS5V
+1.25VS
+5V
DD_ON#32PWRGOOD_VID30SUSB-33SUSB-331.25_VREF
VDDP PC1131U
12
PR103 20K 1%
1 2
PC116
1000pF
1
2
+
PC31
220U/4V
12
PR99
64.9K 1%
12
PR100
16.5K 1%
12
PC51
1uF
1
2
PR101
10K 1%
12
PR102
9.53K 1%
12
PL2
4.7uH
12
PC111
1U
1
2
PC106
0.1uF/25V
1
2
PC34
10U_1210
1
2
PC50
0.1uF
12
PQ21A
FDS6982
5
4
36
PQ21B
FDS6982
7
2
18
PC49 1U
12
PR95 10
1 2
+
PC27
*220U/4V
12
PJ3
6mm
PR98
10K
1 2
PR53
0
1 2
PC521U
12
PQ25
2N7002
G
DS
PC115
0.01U
1
2
PC118
0.01U
PR50
10K PU1
MIC5245-1.8BM5
1
2
3 4
5
VIN
GND
SD BP
VO
PC19
1U
PC15
1U
PC16
0.01U
PU9
MIC5245-3.3BM5
1
2
3 4
5
VIN
GND
SD BP
VO
PC121
1U
PC117
1U
PR27
10K_1%
PR23
100K
PR51 10K
PR81
10K
PC44
1U
PC109
1U
PC108
C(R)
PU4
MIC5258-1.2BM5
1
2
3 4
5
VIN
GND
EN PG
VO
PC92
10U PC91
10U
PC22
0.1UF
PC20
10U
PR28
22.1K_1%
PR26
200
PC93
0.1UF(R)
PR25
10K
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
PC134
100pF
1
2
PD16
RB751V
AC
PD17
RB751V
AC
PR96 0
1 2
PU8
MIC37302(S-PAK5)
2
1 5
4
3
VI
ON/OFF ADJ
VO
GND
PC21
10U
PJ7
4mm
1 2
PL1
4.7UH
1 2
PC33
10U_1210
1
2
PQ20B
FDS6982
7
2
18
PJ2
5mm
+
PC30
220U/4V
12
PR93 1M
PR105 750K
PQ20A
FDS6982
5
4
36
PQ51
2N7002
G
DS
PJ11
1mm
PC133 1000P
12
PC132 1000P
12
+
PC26
*220U/4V
12
PC107
0.1uF/25V
1
2
PC1120.1uF
12
PR97 15K 1%
1 2
PR132
100K
12
PQ52
2N7002
G
DS
PR154 0
PR153 0
PR133
100K
12
5A
100mA
100mA
30 mil
30 mil
100mA
30 mil
3A3A
3A

Sheet 31 of 35

DDR Power