FAN6920MR Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
FAN6920MR
Fairchild Semiconductor
FAN6920MR Datasheet PDF : 24 Pages
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Typical Performance Characteristics (Continued)
These characteristic graphs are normalized at TA=25°C.
28.0
27.0
26.0
25.0
24.0
23.0
22.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(oC)
Figure 13. PFC Maximum On-Time
19.0
18.5
18.0
17.5
17.0
16.5
16.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(oC)
Figure 15. PWM Gate Output Clamping Voltage
0.95
0.90
0.85
0.80
0.75
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(oC)
Figure 14. PFC Peak Current Limit Voltage
45
44
43
42
41
40
39
38
-40 -30 -15
0
25
50
75
Temperature (ºC)
85
100 125
Figure 16. PWM Maximum On-Time
2.3
2.2
2.1
2.0
1.9
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(oC)
1.4
1.3
1.2
1.1
1.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(oC)
Figure 17. Beginning of Green-On Mode at VFB
5
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
-40 -30 -15
0
25
50
75
Temperature (ºC)
85 100 125
Figure 18. Beginning of Green-Off Mode at VFB
21.5
21
20.5
20
19.5
19
18.5
18
-40 -30 -15
0
25
50
75
Temperature (ºC)
85 100 125
Figure 19. PWM Minimum Off-Time for VFB > VN
Figure 20. PWM Minimum Off-Time for VFB=VG
© 2010 Fairchild Semiconductor Corporation
FAN6920MR • Rev. 1.0.3
14
www.fairchildsemi.com
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