FAN7631 Fairchild Semiconductor, FAN7631 Datasheet - Page 10

• Manufacturer Part Number: FAN7631
• Description: The FAN7631 is a pulse-frequency modulation controller for high-efficiency half-bridge resonant converters that includes a high-side gate drive circuit, an accurate current-controlled oscillator, and various protection functions
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN7631 • 1.0.2
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 28. Dead Time (D
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
Figure 22. V
Figure 24. V
Figure 26. V
-40
-40
-40
-40
-20
-20
-20
-20
0
0
0
0
AOCP
LINE
FI
Temperature [ ]
Temperature [ ]
Temperature [ ]
Temperature [ ]
vs. Temperature
T
25
25
25
25
vs. Temperature
=350ns) vs. Temperature
vs. Temperature
50
50
50
50
75
75
75
75
100
100
100
100
A
120
=25ºC.
120
120
120
(Continued)
10
Figure 27. Dead Time (D
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
Figure 23. V
Figure 25. I
-40
-40
-40
-20
-20
-20
0
0
LINE
0
OVP
Temperature [ ]
Temperature [ ]
Temperature [ ]
T
vs. Temperature
25
25
25
vs. Temperature
=150ns) vs. Temperature
50
50
50
75
75
75
100
100
100
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120
120
120