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L5973D Datasheet(PDF) 8 Page - STMicroelectronics

Part # L5973D
Description  2.5 A switch step down switching regulator
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5973D Datasheet(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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