FAN6921ML Datasheet, PDF (13/23 Pages) Fairchild Semiconductor – Integrated Critical Mode PFC/Quasi-Resonant Current Mode PWM Controller

Typical Performance Characteristics (Continued)
These characteristic graphs are normalized at TA=25°C.
28.0
27.0
26.0
25.0
24.0
23.0
22.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 13. PFC Maximum On Time
19.0
18.5
18.0
17.5
17.0
16.5
16.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 15. PWM Gate Output Clamping Voltage
2.30
2.20
2.10
2.00
1.90
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 17. Beginning of Green-On Mode at VFB
9.0
8.5
8.0
7.5
7.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 19. PWM Minimum Off Time for VFB > VN
0.65
0.63
0.61
0.59
0.57
0.55
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 14. PFC Peak Current Limit Voltage
50.0
48.0
46.0
44.0
42.0
40.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 16. PWM Maximum On Time
1.4
1.3
1.2
1.1
1.0
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature(°C)
Figure 18. Beginning of Green-Off Mode at VFB
42.0
40.0
38.0
36.0
34.0
32.0
30.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 20. PWM Minimum Off Time for VFB=VG
© 2010 Fairchild Semiconductor Corporation
FAN6921ML • Rev. 1.0.1
13
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