MC44604
15.5
18.0
14.5
13.5
Vstup, STARTUP THRESHOLD VOLTAGE
12.5
17.5
11.5
17.0
10.5
9.5
Vdisable1, UVLO1
8.5
Vdisable2, UVLO2
7.5
16.5
6.5
16.0
−50
−25
0
25
50
75
100
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
TA, AMBIENT TEMPERATURE (°C)
Figure 19. Startup Threshold, UVLO1, UVLO2
Voltage vs. Temperature
Figure 20. Protection Level on VCC vs.
Temperature
4.90
2.60
4.85
4.80
2.55
4.75
4.70
2.50
4.65
4.60
2.45
4.55
4.50
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 21. Clamp Error Amplifier Input vs.
Temperature
2.40
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 22. Reference Voltage vs. Temperature
22.0
21.5
21.0
20.5
20.0
19.5
18.0
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 23. Power Supply Zener Voltage vs.
Temperature
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