L5973D Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
L5973D Datasheet PDF : 10 Pages
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Figure 10. Junction Temperature vs. Output
Current (VCC = 5V)
Tj(°C)
120
110 Vin=5V
100 Tamb=25°C
90
80
70
60
50
40
30
20
Vo=3.3V
Vo=2.5V
Vo=1.8V
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)
L5973D
Figure 12. Efficiency vs. Output Current
(VCC = 5V)
95
93
91
Vo=3.3V
89
87
85
83
Vo=2.5V
81
79
Vo=1.8V
77
75
73
71
Vcc=5V
69
67
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)
Figure 11. Junction Temperature vs. Output
Current (VCC = 12V)
Tj (°C)
120
110 Vin=12V
100 Tamb=25°C
90
Vo=5V
Vo=3.3V
80
Vo=2.5V
70
60
50
40
30
20
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)
Figure 13. Efficiency vs. Output Current
(VCC = 12V)
91
89
87
Vo=5V
85
83
81
Vo=3.3V
79
77
Vo=2.5V
75
73
71
Vcc=12V
69
67
65
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)
7/10
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