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A
20..23,27,36,37,45
+V5
C3G7
C3G8
C3G10
150uF
150uF
0.1UF
4
VSENSE_1
C3G5
COMP_1
47pF
C3V2
R3V4
COMP_1_D
25.5k_1%
5600pF
R3U2
RT_1
NO_STUFF_10K_1%
SS/ENA_1
J3G2
R3F22
CON3_HDR
R4G1 5.49k_1%
V2.5_DDR_D
NO_STUFF_10K
R3V1 10K_1%
VSENSE_1_D
R3V2 221_1%
C3V1
8200pF
R3V3
5.49k_1%
3
GND_DDR
R3G6
0
15,18..20,23,27,30,32,35,37,38,45
+V3.3
R3G9
10K
20..23,27,36,37,45
+V5
2
C3H2
C3H3
C3H4
R3W2
150uF
150uF
0.1UF
24
23
22
NO_STUFF_0
21
20
VSENSE_2
C3G13
COMP_2
220PF
R3W1
C3V5
COMP_2_D
BOOT_2
4.99k_1%
0.082uF
RT_2
28
FSEL
27
26
25
R3G13
100K
R3V12
C3G12
3.92k_1%
0.1UF
R3V9
C3V4
VSENSE_2_D
C3H1
1
267_1%
8200pF
0.022uF
R3V13
NO_STUFF_4.99k_1%
Vtt Sense
A
B
BOOT_1
C3G9
U3G1
0.022uF
24
6
VIN0
PH0
23
7
VIN1
PH1
22
8
VIN2
PH2
21
9
VIN3
PH3
TPS54610
20
10
VIN4
PH4
11
PH5
2
12
VSENSE
PH6
L4G1
13
PH7
PH_1
3
14
1
2
NC/Comp
PH8
4.7uH
4
PWRGD
5
BOOT
28
1
RT
AGND
27
19
FSEL
PGND0
18
PGND1
26
17
SS/ENA
PGND2
16
PGND3
25
15
VBAIS
PGND4
C3G1
Note for layout: This part has
0.01UF
special pad on it's underside
C3F6
+V2.5_DDR
11,12,46,51
0.1UF
R3F21
43.2_1%
2.5V_DDR_EV 46
9,10,51
+V2.5_GMCH_SM
DDR_VR_PWRGD 39
R3W3
10K_1%
REFIN_2
U3G3
6
VIN0
PH0
7
VIN1
PH1
8
VIN2
PH2
9
VIN3
PH3
TPS54672
10
VIN4
PH4
11
PH5
2
12
VSENSE
PH6
L4H1
13
PH7
PH_2
3
14
1
NC/Comp
PH8
4.7uH
4
STATUS
5
BOOT
1
RT
AGND
19
ENA
PGND0
18
PGND1
17
REFIN
PGND2
16
PGND3
15
VBAIS
PGND4
Note for layout: This part has
special pad on it's underside
B
C
9,11,12
+V2.5
Single point
sense
near load
C4F1
0.1UF
9,10,51
+V2.5_GMCH_SM
R2G9
10K_1%
Default: J3G1 No Jumper
J3G1
1
2
R3G10
0
R3V11
10K_1%
C3V3
0.01UF
9,10,51
+V2.5_GMCH_SM
R3G3
10K_1%
R3G2
10K_1%
+VDDR
2
R4H1
0.01_1%
R3G12
0
19,25,32,37,38,45
PM_SLP_S3#
R3V10
NO_STUFF_0
19,20,32,37,38,45
PM_SLP_S4#
Vtt Sense
C
D
20..23,27,36,37,45
20..23,27,36,37,45
+V5
10
VDD+
8
SM_VREF_DIMM_EV
46
-
TLV2463
7
+
4
R3G7
10K_1%
20..23,27,36,37,45
+V5
R3V6
10
SM_VREF_MCH_EV 46
VDD+
NO_STUFF_10K
U3G2A
2
-
TLV2463
1
OPAMP2_EN
5
3
+
R3V7
GND
4
10K
Vtt Sense
R4G3
43.2_1%
C6J1
C4J1
C6J2
C4H1
150uF
150uF
150uF
150uF
FSEL
Title
DDR VR
Size
Project:
A
Intel Celeron M / 852GM CR
Date:
Wednesday, January 12, 2005
D
E
+V5
R3V8
C3G11
10K
0.1UF
U3G2B
9
SM_VREF_DIMM 11,12
OPAMP1_EN
6
R3V5
NO_STUFF_10K
GND
R3G5
0
SM_VREF_MCH 7
1.25V_DDR_EV 46
Single point
sense
near load
+V1.25S
14,46,51
Only one output enabled at a time
C4H5
Non-EV Support EV Support
0.1UF
R3G5
R3V6
R3V7
Stuff
R3G10
R3G5
No Stuff
R3V6
R3V7
R3G10
EV Support Resistor Options
Document Number
Rev
4.403
C26116
Sheet
44
of
51
E
4
3
2
1
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