FAN7621B Fairchild Semiconductor, FAN7621B Datasheet - Page 7

• Manufacturer Part Number: FAN7621B
• Description: The FAN7621B is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN7621B • Rev. 1.0.1
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 6. High-Side V
Figure 8. Low-Side V
1.05
0.95
1.05
0.95
1.05
0.95
1.1
0.9
1.1
0.9
1.1
0.9
1
1
1
-50
-50
-50
Figure 4. Low-Side MOSFET Duty Cycle
-25
-25
-25
0
0
0
CC
CC
Temp (
vs. Temperature
Temp (
Temp (
25
25
(LV
25
(HV
O
O
CC
O
C)
CC
C)
C)
) Start vs. Temperature
) Start vs. Temperature
50
50
50
75
75
75
100
100
100
A
=25ºC.
7
Figure 7. High-Side V
Figure 9. Low-Side V
Figure 5. Switching Frequency vs. Temperature
1.05
0.95
1.05
0.95
1.05
0.95
1.1
0.9
1.1
0.9
1.1
0.9
1
1
1
-50
-50
-50
-25
-25
-25
0
0
0
CC
CC
Temp (
Temp (
Temp (
25
25
25
(LV
(HV
O
O
O
CC
C)
CC
C)
C)
) Stop vs. Temperature
) Stop vs. Temperature
50
50
50
75
75
75
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100
100
100