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L5973D 数据表(PDF) 7 Page - STMicroelectronics

部件名 L5973D
功能描述  2.5A SWITCH STEP DOWN SWITCHING REGULATOR
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5973D 数据表(HTML) 7 Page - STMicroelectronics

Back Button L5973D Datasheet HTML 2Page - STMicroelectronics L5973D Datasheet HTML 3Page - STMicroelectronics L5973D Datasheet HTML 4Page - STMicroelectronics L5973D Datasheet HTML 5Page - STMicroelectronics L5973D Datasheet HTML 6Page - STMicroelectronics L5973D Datasheet HTML 7Page - STMicroelectronics L5973D Datasheet HTML 8Page - STMicroelectronics L5973D Datasheet HTML 9Page - STMicroelectronics L5973D Datasheet HTML 10Page - STMicroelectronics  
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L5973D
Figure 10. Junction Temperature vs. Output
Current (VCC = 5V)
Figure 11. Junction Temperature vs. Output
Current (VCC = 12V)
Figure 12. Efficiency vs. Output Current
(VCC = 5V)
Figure 13. Efficiency vs. Output Current
(VCC = 12V)
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
Vcc=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
Vcc=12V



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