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R5973AD Datasheet(PDF) 33 Page - STMicroelectronics

Part # R5973AD
Description  Up to 1.5 A step-down switching regulator for aerospace applications
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

R5973AD Datasheet(HTML) 33 Page - STMicroelectronics

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DocID027027 Rev 1
33/38
R5973AD
Typical characteristics
38
9
Typical characteristics
Figure 23. Junction temperature vs.
output current - VIN = 5 V
Figure 24. Junction temperature vs.
output current - VIN = 12 V
Figure 25. Load regulation
Figure 26. Line regulation
Figure 27. Output voltage vs. junction
temperature
Figure 28. Shutdown current vs. junction
temperature
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
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)
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
30
40
50
60
70
-50
0
50
100
150
Ishd (
A)
Vcc = 12V
Tj (°C)



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