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L5970 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5970
功能描述  UP TO 1A STEP DOWN SWITCHING REGULATOR
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5970 数据表(HTML) 4 Page - STMicroelectronics

  L5970 Datasheet HTML 1Page - STMicroelectronics L5970 Datasheet HTML 2Page - STMicroelectronics L5970 Datasheet HTML 3Page - STMicroelectronics L5970 Datasheet HTML 4Page - STMicroelectronics L5970 Datasheet HTML 5Page - STMicroelectronics L5970 Datasheet HTML 6Page - STMicroelectronics L5970 Datasheet HTML 7Page - STMicroelectronics L5970 Datasheet HTML 8Page - STMicroelectronics L5970 Datasheet HTML 9Page - STMicroelectronics Next Button
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L5970D
4/10
Figure 1. Junction Temperature vs. Output
Current (SO8) *)
Figure 2. Junction Temperature vs. Output
Current (SO8) *)
Figure 3. Junction Temperature vs. Output
Current (SO8) *)
Figure 4. Load Regulation
Figure 5. Line Regulation
Figure 6. Output Voltage vs. Junction
Temperature
*) Package mounted on demoboard
20
30
40
50
60
70
80
90
100
110
120
130
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Io(A)
Tj(°C)
Vo=3.3V
Vo=2.5V
Vo=1.8V
Vcc=5V
Tamb=25°C
20
30
40
50
60
70
80
90
100
110
120
130
0.20.4
0.60.8
1
1.2
1.41.6
Io(A)
Tj(°C)
Vo=5V
Vo=2.5V
Vo=3.3V
Vcc=12V
Tamb=25°C
0
20
40
60
80
100
120
140
0.2
0.4
0.6
0.8
1
1.2
1.4
Io(A)
Tj(°C)
Vo=18V
Vo=12V
Vo=5V
Vcc=24V
Tamb=25°C
3.276
3.28
3.284
3.288
3.292
3.296
3.3
3.304
3.308
3.312
00.511.5
Io (A)
Vo (V)
Tj = 125°C
Tj = 25°C
Vcc = 12V
Vo = 3.3V
3.276
3.28
3.284
3.288
3.292
3.296
3.3
3.304
3.308
3.312
0
1020
3040
Vcc (V)
Tj = 125°C
Tj =25°C
Vcc = 12V
Vo =3.3V
Vo (V)
Tj (°C)
Vcc=12V
1.2
1.21
1.22
1.23
1.24
1.25
-50
0
50
100
150
Vo (V)
Vcc = 12V



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