E-L4973V5.1 查看數據表（PDF） - STMicroelectronics
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E-L4973V5.1 Datasheet PDF : 27 Pages
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L4973
Typical characteristics
Figure 23. Dropout voltage between pin Figure 24. Efficiency vs. output voltage
7,8 and 2,3
(see Figure 6)
∆V
D97IN643
(V)
Tj=125˚C
0.6
Tj=25˚C
0.4
Tj=0˚C
0.2
0
0
1
2
3
IO(A)
η
(%)
98
96
94
92
90
88
86
0
100KHz
200KHz
D97IN641
IO = 3A
VCC = 50V
10
20
30
40 VO(V)
Figure 25. Dropout voltage between pin Figure 26. Efficiency vs. output voltage
7,8 and 2,3
(see Figure 4)
∆V
D97IN643
(V)
Tj=125˚C
0.6
Tj=25˚C
0.4
Tj=0˚C
0.2
0
0
1
2
3
IO(A)
η
(%)
98
96
94
92
90
88
86
0
100KHz
200KHz
D97IN641
IO = 3A
VCC = 50V
10
20
30
40 VO(V)
15/27
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