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L5973D 数据表(PDF) 8 Page - STMicroelectronics

部件名 L5973D
功能描述  2.5 A switch step down switching regulator
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5973D 数据表(HTML) 8 Page - STMicroelectronics

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Typical characteristics
L5973D
8/17
Figure 8.
Junction temperature vs
output current
Figure 9.
Junction temperature vs
output current
Figure 10.
Efficiency vs output current
Figure 11.
Efficiency vs output current
20
30
40
50
60
70
80
90
100
110
120
0.2 0.4 0.6 0.8 1
1.2 1.4 1.6 1.8 2
2.2 2.4 2.6
Io(A)
Tj(°C)
Vin=5V
Tamb=25°C
Vo=2.5V
Vo=3.3V
Vo=1.8V
20
30
40
50
60
70
80
90
100
110
120
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
2.2 2.4 2.6
Io (A)
Tj (°C)
Vin=12V
Tamb=25°C
Vo=3.3V
Vo=2.5V
Vo=5V
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
0.1
0.3 0.5 0.7
0.9 1.1
1.3 1.5 1.7
1.9
2.1 2.3
Io (A)
Vo=2.5V
Vo=3.3V
Vo=1.8V
Vin=5V
65
67
69
71
73
75
77
79
81
83
85
87
89
91
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7
1.9 2.1 2.3
Io (A)
Vo=2.5V
Vo=3.3V
Vo=5V
Vin=12V



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