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L5973AD Datasheet(PDF) 10 Page - STMicroelectronics

Part # L5973AD
Description  2A SWITCH STEP DOWN SWITCHING REGULATOR
PDF  14 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5973AD Datasheet(HTML) 10 Page - STMicroelectronics

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L5973AD
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Figure 10. Junction Temperature vs. Output
Current
Figure 11. Junction Temperature vs Output
Current
Figure 12. Efficiency vs. Output Current
Figure 13. Efficiency vs. Output Current
20
30
40
50
60
70
80
90
100
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Tj(°C)
Vo=2.5V
Vo=3.3V
Vo=1.8V
Vin=5V
Tamb=25°C
20
30
40
50
60
70
80
90
100
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Tj(°C)
Vo=2.5V
Vo=3.3V
Vo=1.8V
Vin=5V
Tamb=25°C
20
30
40
50
60
70
80
90
100
110
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Tj(C)
Vin=12V
Tamb=25°C
Vo=3.3V
Vo=5V
Vo=2.5V
20
30
40
50
60
70
80
90
100
110
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Tj(C)
Vin=12V
Tamb=25°C
Vo=3.3V
Vo=5V
Vo=2.5V
65
70
75
80
85
90
95
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Vin=5V
Vout=2.5V
Vout=3.3V
Vout=1.8V
65
70
75
80
85
90
95
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Vin=5V
Vout=2.5V
Vout=3.3V
Vout=1.8V
65
70
75
80
85
90
95
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Vin=12V
Vout=3.3V
Vout=2.5V
Vout=5V
65
70
75
80
85
90
95
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Io(A)
Vin=12V
Vout=3.3V
Vout=2.5V
Vout=5V



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