SC4508 Просмотр технического описания (PDF) - Semtech Corporation
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SC4508 Datasheet PDF : 10 Pages
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SC4508
POWER MANAGEMENT
Evaluation Board Schematic, Buck-Boost
12V
GND
C4
1uF
12
3
C5
11
0.1uF
C6
5
680pF
6
fs =2 5 0K H z
7
U1
SC 4508
U1
C3
1nF
VD D
SS/ SH D N
OSC
NC
AGND
PGND
CS 2
OUT 1
VREF 4
FB+ 9
FB- 8
COMP 10
TP9
R7
10K
TP10 R2 100
R8
249
R9 1.0K
C7
0.1uF
TP4
D1
1N 5819H W
R4
20K C10
C11 100pF
2.7nF
R1
0.1
C1
47uF / 16V
C2
47uF / 16V
TP1
U2 Si4831DY
4
5
3
6
2
7
1
8
TP3
L1
33uH
C8
C9
47uF/16V 100uF/6.3V
R6 240
R5
6.04K
-5V/0.1A
GND
TP5
TP6
TP7
TP8
Bill of Materials
Item Quantity
Reference
1
3
C1,C2,C8
2
1
C3
3
1
C4
4
2
C5, C7
5
1
C6
6
1
C9
7
1
C10
8
1
C11
9
1
D6
10
1
L1
11
1
R1
12
1
R2
13
1
R4
14
1
R5
15
2
R6, R8
16
1
R7
17
1
R9
19
1
U1
20
1
U2
2004 Semtech Corp.
Part
47uF/16V
1nF
1uF
0.1uF
680pF
100uF/6.3V
100pF
2.7nF
1N5819HW
3.3uH
0.1
100
20K
6.04K
249
10K
1.0K
SC4508
Si4831DY
9
Manufacturer
Sanyo P/N: 16TPB47M
Semtech Corp.
Vishay
www.semtech.com
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