Datasheet

Typical characteristics L5972D
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4 Typical characteristics
Figure 3. Output voltage vs. junction
temperature
Figure 4. Quiescent current vs.
junction temperature
Figure 5. Line regulator Figure 6. Shutdown current vs.
junction temperature
Figure 7. Output voltage vs. junction
temperature
Figure 8. 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
00.511.5
Io (A)
Vo (V)
Tj = 125°C
Tj = 25°C
Vcc = 12V
Vo = 3.3V
1.2
1.4
1.6
1.8
2
-50
050
100 150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%
3.276
3.28
3.284
3.288
3.292
3.296
3.3
3.304
3.308
3.312
010203040
Vcc (V)
Tj = 125°C
Tj = 25°C
Vcc = 12V
Vo = 3.3V
Vo (V)
30
40
50
60
70
-50
0
50 100 150
Ishd (
µ
A)
Vcc = 12V
Tj (°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
1.2
1.4
1.6
1.8
2
-50
050
100 150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%