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L5972 Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte L5972
Spiegazioni elettronici  2A SWITCH STEP DOWN SWITCHING REGULATOR
PDF  10 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5972 Scheda tecnica(HTML) 4 Page - STMicroelectronics

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L5972D
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Figure 1. Output Voltage vs. Junction
Temperature
Figure 2. Line Regulation
Figure 3. Output Voltage vs. Junction
Temperature
Figure 4. Quiescent Current vs. Junction
Figure 5. Shutdown Current vs.Junction
Temperature
Figure 6. Switching Frequency 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
1.2
1.4
1.6
1.8
2
-50
050
100
150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%
30
40
50
60
70
-50
0
50
100
150
Ishd (
µA)
Vcc = 12V
Tj (°C)
1.2
1.4
1.6
1.8
2
-50
050
100
150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%



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