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E-L293DD Datasheet(PDF) 8 Page - STMicroelectronics

Part No. E-L293DD
Description  2.5 A switch step down switching regulator
Download  17 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 8 page
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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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