FAN6921ML Fairchild Semiconductor, FAN6921ML Datasheet - Page 13

• Manufacturer Part Number: FAN6921ML
• Description: The highly integrated FAN6921ML combines a Power Factor Correction (PFC) controller and a Quasi-Resonant PWM controller
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN6921ML • Rev. 1.0.2
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 15. PWM Gate Output Clamping Voltage
Figure 19. PWM Minimum Off Time for V
Figure 17. Beginning of Green-On Mode at V
19.0
18.5
18.0
17.5
17.0
16.5
16.0
28.0
27.0
26.0
25.0
24.0
23.0
22.0
2.30
2.20
2.10
2.00
1.90
9.0
8.5
8.0
7.5
7.0
Figure 13. PFC Maximum On Time
-40
-40
-40
-40
-25
-25
-25
-25
-10
-10
-10
-10
5
5
5
5
20
20
20
20
Temperature( ° C)
Temperature( ° C)
Temperature( ° C)
Temperature( ° C)
35
35
35
35
50
50
50
50
65
65
65
65
80
80
80
80
95
95
95
95
110 125
110 125
110 125
110 125
A
FB
=25°C.
> V
FB
(Continued)
N
13
Figure 18. Beginning of Green-Off Mode at V
Figure 20. PWM Minimum Off Time for V
Figure 14. PFC Peak Current Limit Voltage
1.4
1.3
1.2
1.1
1.0
0.65
0.63
0.61
0.59
0.57
0.55
50.0
48.0
46.0
44.0
42.0
40.0
42.0
40.0
38.0
36.0
34.0
32.0
30.0
Figure 16. PWM Maximum On Time
-40
-40
-40
-40
-25
-25
-25 -10
-25
-10
-10
-10
5
5
5
5
20
20
Temperature( ° C)
20
20
Temperature( ° C)
Temperature(°C)
Temperature( ° C)
35
35
35
35
50
50
50
50
65
65
65
65
80
80
80
80
95
95
95
95
www.fairchildsemi.com
110 125
110 125
110 125
110 125
FB
=V
FB
G