FAN7631 Fairchild Semiconductor, FAN7631 Datasheet - Page 7

• 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 8. Pulse Skip Disable Voltage vs. Temperature Figure 9. Pulse Skip Enable Voltage vs. Temperature
Figure 6.
Figure 4.
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
-40
-40
-40
HV
LV
-20
-20
CC
CC
-20
Start Voltage vs. Temperature
Start Voltage vs. Temperature
0
0
0
Temperature [ ]
Temperature [ ]
Temperature [ ]
25
25
25
50
50
50
75
75
75
100
100
100
A
=25ºC.
120
120
120
7
Figure 5.
Figure 7.
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
-40
-40
-40
HV
LV
-20
-20
-20
CC
CC
Stop Voltage vs. Temperature
Stop Voltage vs. Temperature
0
0
0
Temperature [ ]
Temperature [ ]
Temperature [ ]
25
25
25
50
50
50
75
75
75
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100
100
100
120
120
120