Samsung
Confidential
EXCEPT AS AUTHORIZED BY SAMSUNG.
SAMSUNG
CPU VRM [SEMTECH]
D
4
A
B
C
PROPRIETARY INFORMATION THAT IS
ELECTRONICS
TG1
3
2
1
d:/users/mobile20/mentor/praha/pr/praha_main_ext
COM-22C-015(1996.6.5) REV. 3
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
TG2
BG2
DRN2
BG1
DRN1
Note : differential pairs
Snubber
Snubber
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
VID3
8
VID4
7
6
VID5
5
VID6
VIN1
42
14
VIN2 VPN1
43
VPN2
13
2
VREF
FB-
22
3
HYS
34
ISH
35
NC
PGND
45
20
PSI*
PWRGD
12
SS
25
TG1
40
TG2
16
37
V5_1
V5_2
19
VCCA
28
11
VID0
VID1
10
9
VID2
BST2
15
CLKIN*
1
CLSET
4
CS1+
33
32
CS1-
30
CS2+
CS2-
31
26
DAC
44
DPRSTP*
DRN1
39
17
DRN2
DRP+
24
23
DRP-
EN
36
29
ERROUT
21
FB+
U516
SC452IMLTRT
AGND
27
38
BG1
18
BG2
41
BST1
nostuff
AL
2V
330uF
EC10
AL
25V
10uF
EC513
VDC
G_CPU
G_CPU
50V
0.1nF
C736
BAT54A
D8
50V
0.1nF
C734
1%
1%
2K
R226
R629
0
22.6
R692
R633
0
R632
0
R631
0
R630
0
12
TP19313
D514
B340A
TP19311
TP19312
TP19308
TP19309
TP19310
R730
0
25V
10nF
C714
R689
100K
6.3V
1000nF
C712
nostuff
1%
25V
100nF
C334
25V
C711
1000nF
54-B240-C320-C3
9-C4 54-B4
2
S2 S3
3
R678
1%
20K
Q33
HAT2198R
5
D1 D2
67
D3 D4
8
G
4
S1
1
Q35
HAT2195R
5
D1 D2
67
D3 D4
8
G
4
S1
12
S2 S3
3
D1
56
D2 D3
78
D4
4
G
1
S1 S2
23
S3
D3
78
D4
4
G
1
S1 S2
23
S3
HAT2195R
Q36
51-B4
HAT2198R
Q37
D1
56
D2
0.1nF
C743
9-C4 54-C3
54-B228-A3
nostuff50V
nostuff
C749
1.8nF
50V
50V
1nF
C735
C744
0.047nF
50V
C713
0.1nF
50V
C335
0.047nF
50V
MPO104-R39
L506 0.39uH
0.39uH
L507
MPO104-R39
R220
2K
VDC
VDC
1%
1%
22.6
R690
R223
10
25V
1000nF
C738
nostuff
C301
1nF
G_CPU
1%
R635
4.99K
4.99K
R636
1%
54-B47-C3 40-C3
54-D310-C49-B4
nostuff
EC7
330uF
2V
AL
10nF
C742
25V
P5.0V
R687
1%7.5K
50V
P3.3V
C746
1nF
9-C4 54-C3
9-C4 54-C3
100nF
C740
25V
6.3V
P3.3V
2.2nF
C282
48-C4
46-B240-C3
51-B2 52-B3 54-D3
46-B4
C747
1000nF
10nF
50V
25V
C741
P5.0V
1%
R221
7.5K
C316
2.2nF
50V
VCC_CORE
25V
C317
100nF
R222
3.3
C710
1nF
50V
1%
R634
100
C286
100nF
10V
C236
100nF
10V
S2
23
S3
1%
R679
150K
HAT2195R
Q32
D1
56
D2 D3
78
D4
4
G
1
S1
AL
2V
330uF
EC12EC9
330uF
2V
AL
nostuff
50V
0.1nF
C745
8
G
4
S1
12
S2 S3
3
R224
10
S3
3
Q31
HAT2198R
5
D1 D2
67
D3 D4
Q38
HAT2198R
5
D1 D2
67
D3 D4
8
G
4
S1
12
S2
nostuff
0
R731
3.3
R685
nostuff
4.7
R196
50V
1nF
C784
R686
0
nostuff
nostuff
1nF
C676
1%
R227
4.99K
4.99K
R228
1%
9-B4 10-C4 54-C3
R1608-SHORT
SHORT524
12
VDC VDC
B340A
D515
nostuff
R688
1%
100K
C748
470pF
50V
EC511
10uF
25V
AL
2409-001117
BAT54A
3
6.3V
D518
9-C4 54-D3
C739
1000nF
100
R684
1%
2K
R681
1%
2K
R691
1%
AL
25V
10uF
EC508
100nF
C235
25V
9-C4 54-C3
9-C4 54-C3
P5.0V
1%
1W
0.001
R187
1%
nostuff
4.7
R609
43.2K
R675
1%
1.5K
R225
EMI2
CONTACT-PLATE-EMI
1%
30.1K
R676
7
D3 D4
8
G
4
S1
12
S2 S3
3
VDC
EMI
Q34
HAT2195R
5
D1 D2
6
EC8
330uF
2V
AL
nostuff
AL
2V
330uF
EC11
G_CPU
0
R729
54-C419-A4
1%
1W
0.001
R170
100nF
C885
25V
25V
25V
C884
100nF
AL
25V
10uF
EC509
G_CPU
100nF
C737
R680
0
R677
0
GCORE3_PWRGD
VRM1_DPRSTP#
9-C4 54-D3
CPU1_VID(6)
CPU1_VID(5)
CPU1_VID(4)
CPU1_VID(3)
CPU1_VID(2)
CPU1_VID(1)
CPU1_VID(0)
CHP3_DPRSLPVR
P2.5V_PWRGD
CPU1_PSI#
VRM3_CPU_PWRGD
CLK3_PWRGD#
CPU1_VCCSENSE
CPU1_VSSSENSE
KBC3_VRON
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