Datasheet

SO2
SO1
SO3
SO4
1
2
3
4
U101
7
6
5
8
U101
U102
4
3
2
1
U102
8
5
6
7
CN101
Case
Left
Right
Shield
1
2
3
CN102
Case
Left
Right
Shield
1
2
3
10uF
C101
+
12Kohms
R105
330pF
C105
0.0018uF
C103
3.9Kohms
R103
12Kohms
R101
100ohms
R107
10uF
C117
+
10uF
C102
+
12Kohms
R106
330pF
C106
3.9Kohms
R104
12Kohms
R102
100ohms
R108
10uF
C118
+
10uF
C107
+
0.0018uF
C104
10uF
C114
+
12Kohms
R111
330pF
C110
0.0018uF
C112
3.9Kohms
R113
12Kohms
R115
100ohms
R109
10uF
C108
+
10uF
C116
+
10uF
C115
+
12Kohms
R112
330pF
C111
0.0018uF
C113
3.9Kohms
R114
12Kohms
R116
100ohms
R110
10uF
C109
+
CN002
1
CN002
2
CN002
3
CN002
4
CN002
5
CN002
6
CN002
7
CN002
8
CN002
9
CN002
10
CN002
11
CN002
12
U003
3
2
1
GND
VCC
INPUT
U001
3
2
1
VOUT VIN
GND
CN001
2
1
U004
5
4
3
2
1
1
2
3
4
CN003
10uF
C006
+
100uF
C003
+
U005
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
SW003
3
2
1
SW002
3
2
1
SW001
3
2
1
GND
10uF
C007
+
10uF
C009
+
GND
GND
GND
GND
GND
1.5Kohms
R001
R002
GND
R003
GND
1.5Kohms
R117
R006
1.5Kohms
R119
1.5Kohms
R118
10uF
C012
+
GND
10uF
C013
+
GND
10uF
C014
+
GND
C016
DNP
GND
C017
DNP
GND
C018
DNP
GND
X001
21
18pF
C019
18pF
C020
1Mohms
R004
GND
470ohms
R005
4.7k
U103
E
B
C
D001
GND
0.1uF
C008
0.1uF
C010
0.1uF
C011
0.1uF
C005
0.1uF
C004
1
2
3
U002
OUTPUT
GND
VCC
PCM2903
www.ti.com Schematic and Printed-Circuit Board
2.2 PCM2903EVM Schematic
Figure 5. PCM2903EVM Schematic
5
SLEU117–March 2012 PCM2903EVM-U Evaluation Module
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