L5980 データシートの表示（PDF） - STMicroelectronics
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L5980 Datasheet PDF : 37 Pages
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L5980
Application information
Figure 22. Junction temperature vs output
current
Figure 25. Efficiency vs output current
95
90
Vo=5.0V
85
Vo=3.3
80
Vo=2.5V
75
VCC=12V
FSW=250KHz
70
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
Figure 23. Junction temperature vs output
current
Figure 26. Efficiency vs output current
94
92
90
Vo=3.3V
88
Vo=2.5V
86
84
82
Vo=1.8V
80
VCC=5V
78
FSW=250KHz
76
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
Figure 24. Junction temperature vs output
current
Figure 27. Efficiency vs output current
95
90
Vo=2.5V
85
Vo=1.8V
80
75
Vo=1.2V
70
VCC=3.3V
FSW=250KHz
65
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
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