?2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6921MR Rev. 1.0.4
13
Typical Performance Characteristics
These characteristic graphs are normalized at T
A
=25癈.
Figure 5. Turn-On Threshold Voltage
Figure 6.  PWM Off Threshold   oltage
Figure 7. Turn-Off Threshold Voltage
Figure 8.
DD
Over-  oltage Protection Threshold
Figure 9. Startup Current
Figure 10.
Operating Current
Figure 11. PFC Output Feedback Reference Voltage
Figure 12.  PFC Gate Output Clamping Voltage
16.5
17.0
17.5
18.0
18.5
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
9.0
9.5
10.0
10.5
11.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
6.5
7.0
7.5
8.0
8.5
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
27.0
27.5
28.0
28.5
29.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
6.0
8.0
10.0
12.0
14.0
16.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
4.0
5.0
6.0
7.0
8.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
2.40
2.45
2.50
2.55
2.60
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)
14.0
14.5
15.0
15.5
16.0
16.5
17.0
-40   -25   -10    5
20    35    50    65    80    95   110  125
Temperature(
o
C)