?2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6921MR Rev. 1.0.4
14
Typical Performance Characteristics (Continued)
These characteristic graphs are normalized at T
A
=25癈.
Figure 13. PFC Maximum On-Time
Figure 14.  PFC Peak Current Limit Voltage
Figure 15. PWM Gate Output Clamping Voltage
Figure 16.  PWM Maximum On-Time
Figure 17. Beginning of Green-On Mode at V
FB
Figure 18.  Beginning of Green-Off Mode at V
FB
Figure 19. PWM Minimum Off-Time for V
FB
> V
N
Figure 20.  PWM Minimum Off-Time for V
FB
=V
G
22.0
23.0
24.0
25.0
26.0
27.0
28.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
0.75
0.80
0.85
0.90
0.95
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
16.0
16.5
17.0
17.5
18.0
18.5
19.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
40.0
42.0
44.0
46.0
48.0
50.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
1.9
2.0
2.1
2.2
2.3
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
1.0
1.1
1.2
1.3
1.4
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
7.0
7.5
8.0
8.5
9.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
32.0
34.0
36.0
38.0
40.0
42.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)