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E-L4973D3.3 Datasheet(PDF) 11 Page - STMicroelectronics

Part No. E-L4973D3.3
Description  3.5A step down switching regulator
Download  27 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 11 page
background image
L4973
Application circuit
11/27
6
Application circuit
Figure 7.
Application circuit (see Figure 4 part list)
Figure 8.
Application circuit (see Figure 4 part list)
L4973V5.1
VCC
C1
C2
R2
C7
C3
C4
C5
C6
R1
D1
L1
3 x
C0
C12
Vo
C8
4,5,6
13,14,15
7,8
10
18
9
1
17
16
INH
SYNC
11
2,3
12
D97IN665A
L4973V3.3
VCC
C1
C2
R2
C7
C3
C4
C5
C6
R1
D1
L1
3 x
C0
C12
Vo
C8
4,5,6
13,14,15
7,8
10
18
9
1
17
16
INH
SYNC
11
2,3
12
D97IN664A




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