Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN7621 • Rev. 1.0.3 8
FAN7621 — PFM Controller for Half-Bridge Resonant Converters
Typical Performance Characteristics (Continued)
These characteristic graphs are normalized at T
A
=25ºC.
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
Figure 10. OLP Delay Current vs. Temperature Figure 11. OLP Protection Voltage vs. Temperature
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
Figure 12. LV
CC
OVP Voltage vs. Temperature Figure 13. R
T
Voltage vs. Temperature
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
0.9
0.95
1
1.05
1.1
-50 -25 0 25 50 75 100
Temp (
O
C)
Normalized at 25
O
C
Figure 14. CON Pin Enable Voltage vs. Temperature Figure 15. OCP Voltage vs. Temperature