FAN6921MR Fairchild Semiconductor, FAN6921MR Datasheet - Page 13

• 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 11. PFC Output Feedback Reference Voltage
18.5
18.0
17.5
17.0
16.5
8.5
8.0
7.5
7.0
6.5
16.0
14.0
12.0
10.0
2.60
2.55
2.50
2.45
2.40
Figure 5. Turn-On Threshold Voltage
Figure 7. Turn-Off Threshold Voltage
8.0
6.0
-40 -25 -10
-40 -25 -10
-40 -25 -10
-40 -25 -10
Figure 9. Startup Current
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
A
=25°C.
13
Figure 8. V
Figure 12. PFC Gate Output Clamping Voltage
11.0
10.5
10.0
29.0
28.5
28.0
27.5
27.0
8.0
7.0
6.0
5.0
4.0
17.0
16.5
16.0
15.5
15.0
14.5
14.0
Figure 6. PWM Off Threshold Voltage
9.5
9.0
-40 -25 -10
-40 -25 -10
-40 -25 -10
-40 -25 -10
Figure 10. Operating Current
DD
Over-Voltage Protection Threshold
5
5
5
5
Temperature(
Temperature(
Temperature(
Temperature(
20
20
20
20
35
35
35
35
50
50
50
50
o
o
o
C)
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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