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L5980 Scheda tecnica(PDF) 31 Page - STMicroelectronics

Il numero della parte L5980
Spiegazioni elettronici  0.7A step-down switching regulator
PDF  37 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5980 Scheda tecnica(HTML) 31 Page - STMicroelectronics

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L5980
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Figure 22.
Junction temperature vs. output
current
Figure 23.
Junction temperature vs. output
current
Figure 24.
Junction temperature vs. output
current
Figure 25.
Efficiency vs. output current
Figure 26.
Efficiency vs.output current
Figure 27.
Efficiency vs. output current
70
75
80
85
90
95
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
VCC=12V
FSW=250KHz
Vo=5.0V
Vo=3.3
Vo=2.5V
76
78
80
82
84
86
88
90
92
94
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
VCC=5V
FSW=250KHz
Vo=3.3V
Vo=2.5V
Vo=1.8V
65
70
75
80
85
90
95
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
VCC=3.3V
FSW=250KHz
Vo=2.5V
Vo=1.8V
Vo=1.2V



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