Datasheet
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
R22
1.65K
TH15
C32 4.7uF
C49 1uF
C38 68uF
TH11
R31
0
TH13
C43 4.7uF
TH16
R20 4.99K
C53 1uF
R23
47
R32
3
R24
10
R17 4.99K
C51 10uF
TH12
R30
2.8K
U8
TPS74401RGW
OUT1
1
OUT2
18
OUT3
19
OUT4
20
IN1
5
IN2
6
IN3
7
IN4
8
PG
9
BIAS
10
EN
11
GND
12
GND_PP
21
SS
15
FB
16
NC1
2
NC2
3
NC3
4
NC4
13
NC5
14
NC6
17
C52 1uF
TH14
U7
TPS74401RGW
OUT1
1
OUT2
18
OUT3
19
OUT4
20
IN1
5
IN2
6
IN3
7
IN4
8
PG
9
BIAS
10
EN
11
GND
12
GND_PP
21
SS
15
FB
16
NC1
2
NC2
3
NC3
4
NC4
13
NC5
14
NC6
17
C31 100uF
C50 68uF
TH9
C54 1uF
C46 100uF
U9
TPS74401RGW
OUT1
1
OUT2
18
OUT3
19
OUT4
20
IN1
5
IN2
6
IN3
7
IN4
8
PG
9
BIAS
10
EN
11
GND
12
GND_PP
21
SS
15
FB
16
NC1
2
NC2
3
NC3
4
NC4
13
NC5
14
NC6
17
C48 10uF
R26 3.57K
R27 4.99K
TH10
C47 68uF
C40 1uF
R25 4.99K
R29
1.13K
C41
0.001uF
R18 4.12K
C42
0.001uF
C45 4.7uF
C55
0.001uF
U6
TPS74401RGW
OUT1
1
OUT2
18
OUT3
19
OUT4
20
IN1
5
IN2
6
IN3
7
IN4
8
PG
9
BIAS
10
EN
11
GND
12
GND_PP
21
SS
15
FB
16
NC1
2
NC2
3
NC3
4
NC4
13
NC5
14
NC6
17
R21
4.53K
C29 100uF
C44 100uF
C34 1uF
C37 1uF
R28 3.57K
C30 4.7uF
C35 10uF
R19 3.57K
C33 68uF
C39 10uF
C56
0.001uF
C36 1uF
1P5V_REG_TRIM
1P5V_REG_SS
1P5V_REG_EN_ADJ
1P8V_REG_TRIM
1P8V_REG_ADJ
1P8V_REG_SS
2P5V_REG_ADJ
2P5V_REG_SS
2P5V_REG_TRIM
3P3V_REG_SS
3P3V_REG_ADJ
3P3V_REG_TRIM
1P5V
5V
5V
1P8V
5V
5V
5V
2P5V
5V
5V
3P3V
5V
1P5V_REG_EN2
1P8V_REG_EN2
2P5V_REG_EN2
3P3V_REG_EN2
1.5V REGULATOR
MUST USE TPS74401 3A LDO
1.8V REGULATOR
MUST USE TPS74401 3A LDO
2.5V REGULATOR
MUST USE TPS74401 3A LDO
MUST USE TPS74401 3A LDO
3.3V REGULATOR
B NA6542779
1P5V, 1P8V, 2P5V, AND 3P3V REGULATORS
3 of 16
REV SHEETDOCUMENT NUMBERSIZE
TEXAS INSTRUMENTS
PAGE TITLE
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TLK10034 EVM Motherboard Schematics
Figure 10. TLK10034 EVM Schematic, 1p5V, 1p8V, 2p5V, And 3p3V Regulators (Sheet 3 of 16)
19
SLLU168–August 2012 TLK10034 Quad-Channel XAUI/10GBASE-KR Transceiver Evaluation Module
(EVM)
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