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| SG6932_08 Datasheet, PDF (12/20 Pages) Fairchild Semiconductor – PFC / Forward PWM Controller | |||
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Typical Characteristics (Continued)
66.0
65.5
65.0
64.5
64.0
63.5
63.0
62.5
62.0
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 17. Maximum Duty Cycle (SS=6V)
vs. Temperature
4.80
4.75
4.70
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
4.25
4.20
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 19. PWM Open-Loop Protection Voltage
vs. Temperature
120
115
110
105
100
95
90
85
80
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 21. PWM Open-Loop Protection Delay Time
vs. Temperature
120.0
110.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 18. Rising Time vs. Temperature
110.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 20. Fall Time vs. Temperature
55
54
53
52
51
50
49
48
47
46
45
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 22. Constant Current Output for
Soft-start vs. Temperature
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68
0.67
0.66
0.65
-40â -25â -10â 5â 20â 35â 50â 65â 80â 95â 110â 125â
Temperature (â)
Figure 23. Peak Current Limit Threshold Voltage vs. Temperature
© 2007 Fairchild Semiconductor Corporation
SG6932 ⢠Rev. 1.1.3
12
www.fairchildsemi.com
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