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L4973 데이터시트(PDF) 15 Page - STMicroelectronics

부품명 L4973
상세설명  3.5A step down switching regulator
PDF  27 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4973 데이터시트(HTML) 15 Page - STMicroelectronics

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L4973
Typical characteristics
15/27
Figure 23. Dropout voltage between pin
7,8 and 2,3
Figure 24. Efficiency vs. output voltage
(see Figure 6)
Figure 25. Dropout voltage between pin
7,8 and 2,3
Figure 26. Efficiency vs. output voltage
(see Figure 4)
0123
IO(A)
0
0.2
0.4
0.6
∆V
(V)
D97IN643
Tj=0˚C
Tj=125˚C
Tj=25˚C
010
20
30
VO(V)
40
86
88
90
92
η
(%)
94
96
98
D97IN641
200KHz
100KHz
IO = 3A
VCC = 50V
0123
IO(A)
0
0.2
0.4
0.6
∆V
(V)
D97IN643
Tj=0˚C
Tj=125˚C
Tj=25˚C
010
20
30
VO(V)
40
86
88
90
92
η
(%)
94
96
98
D97IN641
200KHz
100KHz
IO = 3A
VCC = 50V



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