FAN6921ML Datasheet, PDF (12/23 Pages) Fairchild Semiconductor – Integrated Critical Mode PFC/Quasi-Resonant Current Mode PWM Controller

Typical Performance Characteristics
These characteristic graphs are normalized at TA=25°C.
18.4
18.0
17.6
17.2
16.8
16.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
10.2
10.1
10.0
9.9
9.8
9.7
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 5. Turn-On Threshold Voltage
Figure 6. PWM-Off Threshold Voltage
8.50
8.00
7.50
7.00
6.50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 7. Turn-Off Threshold Voltage
16.0
14.0
12.0
10.0
8.0
6.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 9. Startup Current
29.0
28.5
28.0
27.5
27.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 8. VDD Over-Voltage Protection Threshold
8.0
7.0
6.0
5.0
4.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 10. Operating Current
2.60
2.55
2.50
2.45
2.40
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 11. PFC Output Feedback Reference Voltage
17.0
16.5
16.0
15.5
15.0
14.5
14.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
Figure 12. PFC Gate Output Clamping Voltage
© 2010 Fairchild Semiconductor Corporation
FAN6921ML • Rev. 1.0.1
12
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