First International Computer, Inc. XTB70, Схемы

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
20A 40via
20A 40via
Close to IC
Close to IC
40mil
40mil
40mil
40mil
40mil
4
0
m
il
280mil 14 via
Kelvin connection
Kelvin connection
40mil 40mil
40mil
140mil 6 via
140mil 6 via
Kelvin connection
All Trace > 12 mil
2 via 2 via
#Switching frequency (Ton):
= 1/{16.26pF * ( Rton+6.5k)}
Rton = 200k 300kHz
→
#REF(2V):
1uF MLCC maximum to GND
#FB:
RFB=Rdroop/{Rsense*Gm(FB)}
Gm(FB) Typ=600uS
#SKIP:
VCC: Dual Phase Force PWM Mode
REF: Dual Phase Skip Mode
GND: One Phase Skip Mode
AMD K8 CPU Core Power (MAX8774)
Confidential
CPU CORE (MAX8774)
0.5
PA1538/XA1526(FSC) PTB50/XTB70(FIC)
3FL.,NO.300,Yang Guang St.,NeiHu
114 TAIPEI, TAIWAN ,ROC
(883-2)8751-8751
Custom
50 61 Thursday, November 09, 2006
Title
Size Document Number Rev
Date: Sheet of
First International Computer, Inc.
VCC_MAX8774
REF_MAX8774
VCC_MAX8774
1.8VDDS 6,7,8,13,14,56
CPUVDD_EN 15
5VDDA 28,37,38,44,54,55,56,57
VCPU_CORE 8
AGND_MAX8774
5VDDA 28,37,38,44,54,55,56,57
DCIN_CPU 28,51,54,56,57
DCIN 28,51,54,56,57
AGND_MAX8774
AGND_MAX8774
DCIN_CPU 28,51,54,56,57
DCIN_CPU 28,51,54,56,57
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
VCPU_CORE 8
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
AGND_MAX8774
CPU_PSI0 6
5VDDA 28,37,38,44,54,55,56,57
PM_VGATE 15
3VDDM 6,9,11,12,13,14,15,16,17,18,20,21,22,23,27,28,29,30,31,32,33,36,38,40,41,42,43,44,45,46,47,51,55,57
5VDDA 28,37,38,44,54,55,56,57
5VDDA 28,37,38,44,54,55,56,57
CPU_COREFB 6
CPU_COREFB0 6
3VDDM 6,9,11,12,13,14,15,16,17,18,20,21,22,23,27,28,29,30,31,32,33,36,38,40,41,42,43,44,45,46,47,51,55,57
CPU_VID0 6
CPU_VID1 6
CPU_VID2 6
CPU_VID3 6
CPU_VID4 6
CPU_VID5 6
C716
470pF 50V 10% 0402 X7R LR
C884
1000pF 50V 10% 0402 X7R LR(NU)
C
2
6
8
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
C377
0.1uF 10V 10% 0402 X5R LR
C727
2.2uF 10V ±10% 0603 X5R DK LR
R499 100 Ω 1% 0402 LR
C887
1000pF 50V 10% 0402 X7R LR(NU)
R464 SHW 0 5% 1/16W 0402
R466 SHW 0 5% 1/16W 0402
R497
1.82K
Ω 0.5% 0603 LR
S
D
Q
5
0
R
Q
A
1
8
0
N
0
3
F
D
5
T
B
3
0
V
1
8
A
P
S
O
P
8
S
L
R
4
6
1
5
2 3
7 8
S
D
Q
5
1
R
Q
A
1
8
0
N
0
3
F
D
5
T
B
3
0
V
1
8
A
P
S
O
P
8
S
L
R
4
6
1
5
2 3
7 8
R434
1K
Ω 5% 0402 LR
C
8
6
4
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
(N
U
)
S
D
Q48
RQA130N03FD5TB 30V 13A PSOP8S LR
4
6
1
5
2 3
7 8
C
3
5
4
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
S
D
Q
4
0
R
Q
A
1
8
0
N
0
3
F
D
5
T
B
3
0
V
1
8
A
P
S
O
P
8
S
L
R
4
6
1
5
2 3
7 8
R463 10K Ω 5% 0402 LR
C718 0.22uF 10V 10% 0603 X7R LR
R490
20K
Ω 1% 0402 LR
S
D
Q45
RQA130N03FD5TB 30V 13A PSOP8S LR
4
6
1
5
2 3
7 8
C728 470pF 50V 10% 0402 X7R LR
R425 1.87K Ω 1% 0402 LR
R489
10
Ω 1% 0402 LR
C736
0.22uF 25V 10% 0603 X5R LR
R427 1.87K Ω 1% 0402 LR
R472
180K
Ω 1% 0603 LR
R488 200K Ω 1% 0402 LR
S
D
Q
4
1
R
Q
A
1
8
0
N
0
3
F
D
5
T
B
3
0
V
1
8
A
P
S
O
P
8
S
L
R
4
6
1
5
2 3
7 8
R467 SHW 0 5% 1/16W 0402
C723
0.1uF 10V 10% 0402 X5R LR
C740
2.2uF 10V 10% 0603 X5R DK LR
C
6
6
0
1
0
0
0
p
F
5
0
V
1
0
%
0
4
0
2
X
7
R
L
R
(N
U
)
R443
10K Ω 5% 0402 LR
R501
10
Ω 1% 0603 LR
R462 10K Ω 5% 0402 LR
R430
10K
Ω 5% B25/50=4250K±2% B25/85=4300K 0603 NTC ERTJ1VR103J PANASONIC LR
+
C
2
6
5
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
S
D
Q42
RQA130N03FD5TB 30V 13A PSOP8S LR(NU)
4
6
1
5
2 3
7 8
R496 100 Ω 1% 0402 LR
R482
10K
Ω 5% 0402 LR
C735
1000pF 50V 10% 0402 X7R LR
R195
33K
Ω 1% 0603 LR
L77
0.36uH ±20% 24A SMT11.5*10*4mm(Max) MMD-1004C-R36M MAG.LAYERS LR
R198
THERMO-RES 10K Ω 5% B25/50=4250K±2% B25/85=4300K 0603 NTC ERTJ1VR103J PANASONIC(NU)
C
8
6
3
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
(N
U
)
C
7
1
2
1
0
0
0
p
F
5
0
V
1
0
%
0
4
0
2
X
7
R
L
R
(N
U
)
R421 10K Ω 5% B25/50=4250K±2% B25/85=4300K 0603 NTC ERTJ1VR103J PANASONIC LR
C731 0.1uF 10V 10% 0402 X5R LR(NU)
C
3
3
9
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
R495
10K
Ω 5% 0402 LR(NU)
R431
1K
Ω
5% 0402 LR
D
4
0
S
S
3
4
A
4
0
V
3
A
S
M
A
P
S
I L
R
P
N
C732 0.22uF 10V 10% 0603 X7R LR
C
3
1
8
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
+
C
3
5
1
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
(N
U
)
S
D
Q46
RQA130N03FD5TB 30V 13A PSOP8S LR(NU)
4
6
1
5
2 3
7 8
R468 SHW 0 5% 1/16W 0402
R500
100K
Ω 5% 0402 LR
Q49
2N7002 60V 115mA SOT-23 PSI LR
D
S
G
C715
0.1uF 10V 10% 0402 X5R LR(NU)
C885
1000pF 50V 10% 0402 X7R LR(NU)
C
6
7
4
0
.1
u
F
1
0
V
1
0
%
0
4
0
2
X
5
R
L
R
C
2
4
7
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
L79
0.36uH ±20% 24A SMT11.5*10*4mm(Max) MMD-1004C-R36M MAG.LAYERS LR
R433
10K Ω 5% 0402 LR
R422
3.01K
Ω 1% 0402 LR
C734
4700pF 50V 10% 0402 X7R LR
R194
100K
Ω 5% 0402 LR
C
3
0
6
4
.7
u
F
2
5
V
1
0
%
1
2
0
6
X
5
R
T
D
K
L
R
+
C
1
9
8
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
R197 10K Ω 5% 0402 LR
+
C
3
2
6
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
+
C
2
9
7
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
C
6
9
5
0
.1
u
F
1
0
V
1
0
%
0
4
0
2
X
5
R
L
R
R498
10
Ω 1% 0402 LR
R461
100K
Ω 5% 0402 LR
D
4
2
S
S
3
4
A
4
0
V
3
A
S
M
A
P
S
I L
R
P
N
R486 71.5K Ω 1% 0603 LR
C739
0.1uF 10V 10% 0402 X5R LR(NU)
R429
3.01K
Ω 1% 0402 LR
Q47
MMBT3904 40V 200mA SOT-23 PSI LR B
E
C
R469 SHW 0 5% 1/16W 0402
C886
1000pF 50V 10% 0402 X7R LR(NU)
U52
MAX TQFN MAXIM LR
6
7
38
2
10
19
18
8
27
9
11
12
17
39
36
35
34
33
32
31
1
30
28
29
26
25
23
24
21
22
20
4
0
16
15
14
13
4
1
37
5
4
3
TIME
TON
SHDN
OFFSET
REF
VCC
AGND
CCV
PGND1
CCI
FB
GNDS
PHASEGOOD
SKIP
D5
D4
D3
D2
D1
D0
POWERGOOD
BST1
LX1
DH1
DL1
VDD
PGND2
DL2
DH2
LX2
BST2
IC
CSP1
CSN1
CSN2
CSP2
T
h
e
rm
a
l
P
a
d
2-PHASE
THRM
VRHOT
POUT
C737
0.22uF 25V 10% 0603 X5R LR
JP9 0 Ω 5% 0603 LR
R465 SHW 0 5% 1/16W 0402
+
C
6
8
6
T
2
2
0
u
F
2
V
2
0
%
1
5
m
Ω
7
3
4
3
E
E
F
C
X
0
D
2
2
1
R
L
R
C729
470pF 50V 10% 0402 X7R LR