L4973 STMicroelectronics, L4973 Datasheet - Page 21

• Manufacturer Part Number: L4973
• Description: 3.5A STEP DOWN SWITCHING REGULATOR
• Manufacturer: STMicroelectronics

L4973
Figure 43. Synchronization example
Figure 44. Multi output not isolated (pin out referred to DIP12+3+3)
V
V
CC2
CC
C1
P
V
O2
1
O2
= V
< 20% P
R2
C2
L4973
13,14,15
4,5,6
O1
7,8
C7
C3
n
O1
1
18
n
+ n
1
2
C4
C5
18
L4973
13,14,15
4,5,6
7,8
1
17
16
7,8
11
R1
C6
D97IN667A
1
INH
10
L4973
13,14,15
4,5,6
SYNC
V
CC1
18
12
2,3
9
V
CC
C8
D1
L1
1
L4973
13,14,15
4,5,6
n2
n1
7,8
C9
18
D2
C10
Application ideas
18
1
C11
L4973
7,8
13,14,15
D97IN669
4,5,6
Vo2
Vo1
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