3 Schematic
C
N
T
L
1
A
D
D
R
1
2
A
D
D
R
0
3
D
A
T
A
4
C
L
K
5
S
M
B
A
L
E
R
T
6
B
O
O
T
7
S
W
8
S
W
9
S
W
1
0
S
W
1
1
S
W
1
2
AG
ND
SN
S
13
GN
D
14
GN
D
15
GN
D
16
GN
D
17
GN
D
18
GN
D
19
GN
D
20
V
IN
2
1
V
IN
2
2
V
IN
2
3
V
IN
2
4
V
IN
2
5
P
G
N
D
2
6
B
P
3
2
7
B
P
6
2
8
V
D
D
2
9
B
P
E
X
T
3
0
V
O
U
T
S
+
3
1
V
O
U
T
S
-
3
2
DIF
FO
33
FB
34
CO
MP
35
PG
OO
D
36
TS
NS
37
AG
ND
38
MO
DE
39
RT
40
PA
D
U1
T
P
S
5
4
4
C
2
0
R
V
F
1
0
μ
F
C
1
5
1
0
0
0
p
F
C17
0
.1
μ
F
C16
1
0
μ
F
C
1
4
1
0
μ
F
C
1
3
1
0
μ
F
C12
G
N
D
V
IN
0
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μ
F
C8
0
R14
S
M
B
A
L
E
R
T
C
L
K
D
A
T
A
4
7
μ
F
C18
4
7
μ
F
C19
O
p
e
n
C1
1
D
N
P
O
p
e
n
R16
D
N
P
G
N
D
3
8
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k
R1
1
3
8
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k
R12
O
p
e
n
R5
D
N
P
0
R3
B
P
3
C
N
T
L
0
.1
μ
F
C7
4
.7
μ
F
C6
B
P
3
BP6
4
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μ
F
C5
V
IN
V
O
U
T
S
+
V
O
U
T
S
-
V
O
U
T
4
9
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R15
4
9
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R13
V
O
U
T
S
+
V
O
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-
2
0
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k
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3
0
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k
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O
p
e
n
R4
D
N
P
A
D
J
O
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tp
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V
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lt
a
g
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A
d
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s
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M
a
y
b
e
u
s
e
d
w
it
h
L
M
1
0
0
1
1
0
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1
μ
F
C4
1
0
0
k
R1
B
P
3
Q
1
M
M
B
T
3
9
0
4
1000pF
C2
P
G
O
O
D
V
IN
=
1
0
V
-
1
4
V
V
O
U
T
=
1
.0
V
@
3
0
A
M
A
X
F
S
W
=
5
0
0
K
H
z
4
0
0
n
H
L
1
1
2
J
2
T
P
8
TP7
TP5
TP6
TP1
TP2
TP9
T
P
1
1
TP10
1
2
3
4
5
6
7
8
9
1
0
J
1
D
A
T
A
C
L
K
S
M
B
A
L
E
R
T
C
N
T
L
0
R10
G
N
D
O
p
e
n
C3
D
N
P
O
p
e
n
C1
D
N
P
O
p
e
n
R2
D
N
P
5
6
0
μ
F
C9
5
6
0
μ
F
C10
O
p
e
n
C20
D
N
P
1
0
0
0
p
F
C21
A
G
N
D
T
P
1
2
T
P
3
1
2
J
3
1
2
J
4
1
0
0
k
R17
B
P
6
1
F
μ
C22
T
P
4
A
G
N
D
AGND
G
N
D
G
N
D
V
O
U
T
G
N
D
V
IN
4
7
μ
F
C
2
4
4
7
μ
F
C
2
5
4
7
0
μ
F
C23
1
F
μ
C
2
6
O
p
e
n
C27
D
N
P
O
p
e
n
R7
D
N
P
3
8
.3
k
R8
3
3
p
F
C
2
8
A
G
N
D
Figure 3-1. PWR-634EVM Schematic
Schematic
4
TPS544x20 Step-Down Converter Evaluation Module User's Guide
SLUUAY7B – MAY 2014 – REVISED AUGUST 2021
Copyright © 2021 Texas Instruments Incorporated