S6SAP111A28SA1001 2ch DC/DC Converter Evaluation Board Operation Guide, Doc. No. 002-08726 Rev. *A
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6. Circuit Diagram
Figure 6-1. Circuit Diagram
VCC
FB1
VREF
VB
CB1
DRVH1
VO1
DAC0
DAC1
GND
ILIM1
PGND1
DRVL1
LX1
CTL1
FB2
VO2
CTL2
CB2
DRVH2
LX2
DRVL2
PGND2
ILIM2
G
D1
S1
D2
D3
D4
S2
S3
G
D1
S1
D2
D3
D4
S2
S3
VIN
DAC0
VOUT1-5
VOUT1-4
VOUT1-3
VOUT1-2
VOUT1-1
VOUT1-6
DAC1
CTL1
CTL2
G
D1
S1
D2
D3
D4
S2
S3
G
D1
S1
D2
D3
D4
S2
S3
VIN
VOUT2-5
VOUT2-4
VOUT2-3
VOUT2-2
VOUT2-1
VOUT2-6
VB
VB
P
a
tt
e
rn
S
h
o
rt
P
a
tt
e
rn
S
h
o
rt
P
a
tt
e
rn
S
h
o
rt
VOUT1s
P
a
tt
e
rn
S
h
o
rt
VOUT2s
PGND5
PGND6
PGND7
PGND8
PGND9
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VIN
VB
VIN
PGND1
PGND2
PGND3
PGND4
C
2-
1
2
1
C
4
-1
2
1
M1
16
15
14
13
12
11
10
9
8
3
24
23
22
21
6
17
7
4
1
2
19
18
5
20
C7
C
1
-1
Q1
3
2
8
7
6
1
5
4
Q2
3
2
8
7
6
1
5
4
L1
C5
C
2-
2
C
1-
2
N
M
T
C
10
R
1-
1
R
1
-2
R2
R5
N
M
T
C
11
R
3-
1
R
3-
2
R4
R6
C9
C
3
-1
Q3
3
2
8
7
6
1
5
4
3
2
8
7
6
1
5
4
Q4
L2
C6
C
4-
2
C
3-
2
C8
JP
7
JP
8
N
M
T
R8
N
M
T
R7
JP
1
JP
2
NMT
R
1
3
N
M
T
C
13
R
12
N
M
T
C
12
N
M
T
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