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L4973D5.1 データシートの表示(PDF) - STMicroelectronics
部品番号
コンポーネント説明
メーカー
L4973D5.1
3.5A STEP DOWN SWITCHING REGULATOR
STMicroelectronics
L4973D5.1 Datasheet PDF : 16 Pages
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L4973V3 - L4973V5 - L4973D3 - L4973D5
Figure 1c:
Application Circuit (see fig. 1 part list)
V
CC
INH SYNC
R2
7,8
10
18
9
C8
1
17
L4973V5.1
C1 C2 C7
L1
16
4,5,6
2,3
Vo
11
13,14,15 12
C3 C4 C5
R1
C6
D1
3x
C12
C0
D97IN665A
Figure 1d:
Application Circuit (see fig. 1 part list)
V
CC
INH
SYNC
R2
C1 C2 C7
7,8 10
18
9
C8
1
17
L4973V3.3
L1
16
4,5,6
2,3
11
13,14,15 12
C3 C4 C5
R1
C6
D1
3x
C0
Vo
C12
Figure 2:
Quiescent Drain Current vs. Input
Voltage (0% Duty Cycle)
D97IN664A
Figure 3:
Quiescent Drain Current vs. Junction
Temperature
Ibias
(mA)
5.0
4.5
4.0
3.5
3.0
2.5
Tamb=25
°
C
0% DC
D97IN633A
200KHz-R2=22K
C7=1.2nF
100KHz-R2=20K
C7=2.7nF
0Hz
Ibias
(mA)
4.0
3.5
0% DC
V
CC
= 35V
3.0
D97IN634
200KHz-R2=22K
C7=1.2nF
100KHz-R2=20K
C7=2.7nF
0Hz
2.0
0
10 20 30 40 50 V
CC
(V)
2.5
-50
0
50
100
Tj(
°
C)
7/16
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