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L5971 Datasheet(PDF) 5 Page - STMicroelectronics

Part # L5971
Description  1.5A STEP DOWN SWITCHING REGULATOR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5971 Datasheet(HTML) 5 Page - STMicroelectronics

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D98IN832C
5(11)
2(3)
8(14)
4(5,6)
1(2)
L5971
C1
47µF
30V
C8
330
µF
VO=2.5V/1.5A
Vi=6V to 28V
R1
22K
C2
1.2nF
R2
9.1K
C4
22nF
3(4)
7(13)
L1
30
µH
6(12)
D1
STPS
3L40U
C5
47nF
C6
100nF
R3
R4
Figure 1. Test and valutation board circuit.
VO (V)
R3 (K
Ω)R4 (KΩ)
1.8
1
2
1.5
0.5
2
2.5
2
2
3.3
8.2
4.7
5.1
12
3.6
12
27
3
15
23
2
Figure 2. PCB and component layout of the figure 1.
SOLDER SIDE
COMPONENT SIDE
L5971
5/11


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