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A5970D 数据表(PDF) 7 Page - STMicroelectronics

部件名 A5970D
功能描述  1.5A switch step down switching regulator for automotive applications
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

A5970D 数据表(HTML) 7 Page - STMicroelectronics

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4
Typical characteristics
Figure 3.
Junction temperature vs.
output current
Figure 4.
Load regulator
Figure 5.
Junction temperature vs.
output current
Figure 6.
Line regulator
Figure 7.
Junction temperature vs.
output current
Figure 8.
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
1
1.5
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
010
20
30
40
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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