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L4973 数据表(PDF) 21 Page - STMicroelectronics

部件名 L4973
功能描述  3.5A step down switching regulator
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4973 数据表(HTML) 21 Page - STMicroelectronics

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L4973
Application ideas
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Figure 43. Synchronization example
Figure 44. Multi output not isolated (pin out referred to DIP12+3+3)
L4973
L4973
18
18
VCC2
D97IN669
1
7,8
VCC1
1
7,8
4,5,6
13,14,15
4,5,6
13,14,15
L4973
L4973
18
18
VCC
1
7,8
1
7,8
4,5,6
13,14,15
4,5,6
13,14,15
L4973
VCC
C1
C2
R2
C7
C3
C4
C5
C6
R1
D1
L1
C9
C10
Vo1
C8
4,5,6
13,14,15
7,8
10
18
9
1
17
16
INH
SYNC
11
2,3
12
C11
Vo2
n1
n2
D2
D97IN667A
VO2 = VO1
n1 + n2
n1
PO2 < 20% PO1



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