参数资料
型号: SC1403ITSTRT
元件分类: 稳压器
英文描述: 1 A DUAL SWITCHING CONTROLLER, 380 kHz SWITCHING FREQ-MAX, PDSO28
封装: LEAD FREE, MO-153AE, TSSOP-28
文件页数: 20/31页
文件大小: 590K
代理商: SC1403ITSTRT
27
2004 Semtech Corp.
SC1403
POWER MANAGEMENT
United States Patent No. 6,377,032
www.semtech.com
Evaluation Board Schematic
S1
1
2
3
4
8
7
6
5
C2
8
1u
F
C1
10uF
/25V
C2
10uF
/25V
C5
10uF
/25V
C6
10uF
/25V
C2
9
1u
F
R1
8
1.
3K
R2
1
1.
3K
R1
10
C3
0.
22uF
R2
0
1.
3K
R1
9
1.
3K
C4
0.
22uF
D3
14
0T
3
R1
6
1k
R1
3
10
0k
C1
0
0.
1u
F
C2
0
NO
_P
O
P
C1
5
0.
22uF
C1
6
0.
22uF
D5
140T
3
C1
2
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6
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C3
7
0.
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RE
F
D
Q1
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4
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2
3
5
6
7
8
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V#
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ESET
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PSV#
C2
2
56
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C2
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56
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ON
3
SH
D
N
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D
Q3
IR
F741
3
4
1
2
3
5
6
7
8
D
Q2
IR
F7413
4
1
2
3
5
6
7
8
3_3V
VL
VI
N
VIN
RE
F
RE
SE
T#
D
Q4
IR
F7413
4
1
2
3
5
6
7
8
VI
N
FB
5
C1
7
18
0uF
/4
V
C2
7
0.
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R2
2
NO
_P
O
P
R2
3
NO
_P
O
P
C7
10
0pF
C1
3
ze
ro
_ohm
C8
10
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C1
4
ze
ro
_ohm
R3
NO
_P
O
P
R2
NO
_P
O
P
R1
2
2M
R1
7
2M
R1
5
2M
R1
4
2M
Ti
tle
Si
ze
D
oc
ume
nt
N
umb
er
D
at
e:
She
et
SC
1403
E
val
ua
tion
B
o
B
1
Monday
,M
ar
ch
29,
2004
CO
M
P3
V+
CO
M
P5
CO
M
P3
CO
M
P5
CM
P3
R
C
T-
O
N
5
CM
P5
R
C
C2
5
1u
F/
16V
D4
30
BQ
01
5
C1
8
NO
_P
O
P
D2
30BQ
015
R7 0.
00
5
C1
9
15
0uF
/6
.3
V
C9
4.
7u
F/
35
V
D1
BAT
54
A
L1
6.
8u
H
R6
0.
00
5
C1
1
4.
7uF
/16V
C2
6
0.
1u
F
VL
C3
3
0.
1u
F
R4 0
R5
0
R9
4.
9
R8
1.
58
K
R1
0
4.
99
K
R1
1
4.
99
K
L2
6.
8uH
U1
SC
14
03
CSH3
1
CSL3
2
FB3
3
COM
P3
4
COM
P5
5
SYNC
6
TIM
E/O
N5
7
GND
8
REF
9
PSAVE
10
RESET
11
FB5
12
CSL5
13
CSH5
14
SEQ
15
DH5
16
PHASE5
17
BST5
18
DL5
19
PGND
20
VL
21
V+
22
SHD
N
23
DL3
24
BST3
25
PHASE3
26
DH3
27
RUN/O
N3
28
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