FAN7631 Fairchild Semiconductor, FAN7631 Datasheet - Page 9

• 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 18. f
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 20. I
Figure 16. I
-40
-40
-40
-20
OSC_SS
-20
-20
0
(R
0
0
OLP
SS2
T
Temperature [ ]
Temperature [ ]
Temperature [ ]
25
=2.7k) vs. Temperature
vs. Temperature
vs. Temperature
25
25
50
50
50
75
75
75
100
100
100
120
A
=25ºC.
120
120
(Continued)
9
Figure 17. f
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 21. V
Figure 19. V
-40
-40
-40
OSC_SS
-20
-20
-20
(R
0
0
0
OCP
OLP
T
=11.6k) vs. Temperature
Temperature [ ]
Temperature [ ]
Temperature [ ]
25
25
vs. Temperature
25
vs. Temperature
50
50
50
75
75
75
100
100
100
www.fairchildsemi.com
120
120
120