SC4508 查看數據表（PDF） - Semtech Corporation
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SC4508 Datasheet PDF : 10 Pages
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SC4508
POWER MANAGEMENT
Evaluation Board Schematic, Buck
12V
GND
C4
1uF
U1
SC4508
12 VDD
U1
C3
1nF
CS 2
3 SS/SHDN
C5
0.1uF
11 OSC
C6
330pF
5 NC
f s=440KHz
6 AGND
7 PGND
OUT 1
VREF 4
FB+ 9
FB- 8
COMP 10
R7
R1
10K
0.09
C1
47uF/16V
C2
47uF/16V
R2 10
C7 TP2
0.1uF
TP4
TP1
U2 FDFS2P102A
4
5
3
6
TP3
2
7
1
8
L1
10uH
R4
20K C10
C11 2nF
2.7nF
C8
C9
470uF/6.3V 470uF/6.3V
6V/1A
R5
3.74K
GND
TP5
R6
TP6
TP7
TP8
1.24K
Bill of Materials
Item Quantity
1
2
C1,C2
2
1
C3
3
1
C4,
4
2
C5,C7
5
1
C6
6
2
C8,C9
7
1
C10
8
1
C11
9
1
L1
10
1
R1
11
1
R2
12
1
R4
13
1
R5
14
1
R6
15
1
R7
16
1
U1
17
1
U2
Reference
Part
47uF/16V
1nF
1uF
0.1uF
330pF
470uF/6.3V
2nF
2.7nF
10uH
0.09
10
20K
4.75K
1.24K
10K
SC4508
FDFS2P102A
Manufacturer
Sanyo P/N: 16TPB47M
Sanyo P/N: 16TPB470M
Semtech Corp.
Fairchild P/N: FDFS2P102A
2004 Semtech Corp.
8
www.semtech.com
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