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零件编号
产品描述 (功能)
L5971 查看數據表(PDF) - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
L5971
1.5A STEP DOWN SWITCHING REGULATOR
STMicroelectronics
L5971 Datasheet PDF : 11 Pages
1
2
3
4
5
6
7
8
9
10
Figure 1. Test and valutation board circuit.
L5971
Vi=6V to 28V
C
1
47µ
F
30V
5(11)
8(14)
R
1
22K
L5971
3(4)
4(5,6)
2(3)
C
2
1.2nF
C
5
47nF
7(13) 1(2) 6(12)
R
2
9.1K
C
4
22nF
C
6
100nF
D1
STPS
3L40U
L1
30
µ
H
C
8
330
µ
F
D98IN832C
V
O
=2.5V/1.5A
R
3
R
4
V
O
(V)
1.8
1.5
2.5
3.3
5.1
12
15
R3 (K
Ω
) R4 (K
Ω
)
1
2
0.5
2
2
2
8.2
4.7
12
3.6
27
3
23
2
Figure 2. PCB and component layout of the figure 1.
SOLDER SIDE
COMPONENT SIDE
5/11
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