30
LatticeXP2 Standard
Lattice Semiconductor
Evaluation Board User’s Guide
Figure 17. 3.3V Power Converter
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
E
N
_3_3
F
B
_3_3
S
S
_3_3
BS_
3
_
3
C
O
M
P
_3_3
S
W
_3_3
VI
N
RC_
3
_
3
+
3_3V
VI
N
E
N
_3_3
VI
N
+3
_
3
V
E
N
_3_3V
Ti
tl
e
Siz
e
D
o
c
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t N
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:
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h
eet
of
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3.
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P
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r c
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a
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ra
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ill
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b
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14
20
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tl
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3.
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14
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GND
C4
9
22u
F
S
M
/C
_1210
DN
I
C4
9
22u
F
S
M
/C
_1210
DN
I
R8
0
10K
_
1%
S
M
/R
_0603
DN
I
R8
0
10K
_
1%
S
M
/R
_0603
DN
I
C4
5
5.
6n
F
S
M
/C
_0603
DN
I
C4
5
5.
6n
F
S
M
/C
_0603
DN
I
C2
9
10u
F
S
M
/C
_1206
DN
I
C2
9
10u
F
S
M
/C
_1206
DN
I
C4
7
22u
F
S
M
/C
_1210
DN
I
C4
7
22u
F
S
M
/C
_1210
DN
I
C2
8
10u
F
S
M
/C
_1206
DN
I
C2
8
10u
F
S
M
/C
_1206
DN
I
C2
7
0.
1u
F
S
M
/C
_0603
DN
I
C2
7
0.
1u
F
S
M
/C
_0603
DN
I
R8
1
26.
1
K
_1%
S
M
/R
_0603
DN
I
R8
1
26.
1
K
_1%
S
M
/R
_0603
DN
I
C4
8
10n
F
S
M
/C
_0603
DN
I
C4
8
10n
F
S
M
/C
_0603
DN
I
C4
6
0.
1u
F
S
M
/C
_0603
DN
I
C4
6
0.
1u
F
S
M
/C
_0603
DN
I
U1
7
M
P
2307
SO
IC
8
N
DN
I
U1
7
M
P
2307
SO
IC
8
N
DN
I
BS
1
IN
2
SW
3
GND
4
FB
5
COM
P
6
EN
7
SS
8
D1
5
Ba
rr
ie
rD
io
d
e
S
O
D
123F
L
DN
I
D1
5
Ba
rr
ie
rD
io
d
e
S
O
D
123F
L
DN
I
L7
10u
H
CDRH
8
D4
3
DN
I
L7
10u
H
CDRH
8
D4
3
DN
I
U6
Be
lln
ix
_
BSV
_
m
6
SM
T
_
PW
R
DI
U6
Be
lln
ix
_
BSV
_
m
6
SM
T
_
PW
R
DI
VAR
1
Vo
u
t
2
GN
D
3
Vin
4
RC
5
P
W
R
_GOOD
6
HS
7
NC
8
TP
1
8
TP
TP
1
8
TP
R8
2
4.
7K
S
M
/R
_0402
DN
I
R8
2
4.
7K
S
M
/R
_0402
DN
I