FAN6793 Fairchild Semiconductor, FAN6793 Datasheet - Page 12
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FAN6793
Manufacturer Part Number
FAN6793
Description
The highly integrated FAN6791/3 dual PWM combination controller provides several features to enhance the performance of converters
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN6791.pdf
(20 pages)
© 2008 Fairchild Semiconductor Corporation
FAN6791 / FAN6793 • Rev. 1.0.3
Typical Characteristics
Figure 17. I
Figure 13. Rising Time t
Figure 19. I
Figure 15. Rising Time t
32.10
32.05
32.00
31.95
31.90
31.85
31.80
31.75
31.70
27.4
27.2
27.0
26.8
26.6
26.4
26.2
26.0
25.8
0.802
0.800
0.798
0.796
0.794
0.792
0.790
0.788
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
PWM-VLIMIT
FYB-VLIMIT
5℃
5℃
5℃
5℃
20℃
(V
20℃ 35℃ 50℃ 65℃ 80℃ 95℃ 110℃ 125℃
20℃ 35℃
20℃ 35℃
(V
RMS
RMS
35℃ 50℃
R-OPWM
R-OFYB
=1V) vs. Temperature
=1V) vs. Temperature
50℃ 65℃ 80℃ 95℃ 110℃ 125℃
50℃ 65℃ 80℃ 95℃ 110℃ 125℃
vs. Temperature
vs. Temperature
65℃
80℃
95℃ 110℃ 125℃
12
Figure 18. I
Figure 20. I
Figure 14. Falling Time t
Figure 16. Falling Time t
57.5
57.0
56.5
56.0
55.5
55.0
54.5
54.0
53.5
39
38
37
36
35
34
33
32
31
30
0.667
0.666
0.665
0.664
0.663
0.662
0.661
0.660
0.659
0.653
0.652
0.651
0.650
0.649
0.648
0.647
0.646
0.645
0.644
0.643
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
-40℃ -25℃ -10℃
PWM-VLIMIT
FYB-VLIMIT
5℃
5℃
5℃
5℃
20℃
(V
(V
20℃
20℃ 35℃ 50℃ 65℃ 80℃ 95℃ 110℃ 125℃
20℃ 35℃ 50℃ 65℃ 80℃ 95℃ 110℃ 125℃
RMS
RMS
35℃
35℃ 50℃
F-OPWM
F-OFYB
=1.5V) vs. Temperature
=1.5V)vs. Temperature
50℃
vs. Temperature
vs. Temperature
65℃
65℃
80℃
80℃
95℃ 110℃ 125℃
95℃ 110℃ 125℃
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