FAN6921MR Fairchild Semiconductor, FAN6921MR Datasheet - Page 14

• Manufacturer Part Number: FAN6921MR
• Description: The highly integrated FAN6921MR combines Power Factor Correction (PFC) controller and Quasi-Resonant PWM controller
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN6921MR 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
28.0
27.0
26.0
25.0
24.0
23.0
22.0
19.0
18.5
18.0
17.5
17.0
16.5
16.0
2.3
2.2
2.1
2.0
1.9
9.0
8.5
8.0
7.5
7.0
Figure 13. PFC Maximum On-Time
-40 -25 -10
-40 -25 -10
-40 -25 -10
-40 -25 -10
5
5
5
5
Temperature(
Temperature(
Temperature(
Temperature(
20
20
20
20
35
35
35
35
50
50
50
50
o
o
o
o
C)
C)
C)
C)
65
65
65
65
80
80
80
80
95 110 125
95 110 125
95 110 125
95 110 125
FB
A
=25°C.
> V
FB
N
(Continued)
14
Figure 18. Beginning of Green-Off Mode at V
Figure 20. PWM Minimum Off-Time for V
Figure 14. PFC Peak Current Limit Voltage
50.0
48.0
46.0
44.0
42.0
40.0
0.95
0.90
0.85
0.80
0.75
1.4
1.3
1.2
1.1
1.0
42.0
40.0
38.0
36.0
34.0
32.0
Figure 16. PWM Maximum On-Time
-40 -25 -10
-40 -25 -10
-40 -25 -10
-40 -25 -10
5
5
5
5
Temperature(
Temperature(
Temperature(
Temperature(
20
20
20
20
35
35
35
35
50
50
50
50
o
o
C)
o
o
C)
C)
C)
65
65
65
65
80
80
80
80
95 110 125
95 110 125
95 110 125
95 110 125
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FB
=V
FB
G