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L5970D 数据表(PDF) 7 Page - STMicroelectronics

部件名 L5970D
功能描述  Up to 1A step down switching regulator
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5970D 数据表(HTML) 7 Page - STMicroelectronics

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L5970D
Typical characteristics
7/16
4
Typical characteristics
Figure 2.
Junction temperature vs.
output current
Figure 3.
Load regulator
Figure 4.
Junction temperature vs.
output current
Figure 5.
Line regulator
Figure 6.
Junction temperature vs.
output current
Figure 7.
Output voltage vs. junction
temperature
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
3.276
3.28
3.284
3.288
3.292
3.296
3.3
3.304
3.308
3.312
00.5
11.5
Io (A)
Vo (V)
Tj = 125°C
Tj = 25°C
Vcc = 12V
Vo = 3.3V
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=5V
Vo=2.5V
Vo=3.3V
Vcc=12V
Tamb=25°C
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)
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
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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