?2008 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN9612 " Rev. 1.1.7
32
Typical Performance Characteristics  Operation
Typical characteristics are provided at T
A
= 25癈 and V
DD
= 12 V unless otherwise noted.
Figure 58. Ripple-Current Cancellation (110 V
AC
)
Figure 59. Ripple-Current Cancellation (110 V
AC
)
Figure 60. No-Load Startup at 115 V
AC
 
Figure 61. Full-Load Startup at 115 V
AC
 
 
 
Figure 62. Input Voltage Feedforward
Note:
6.    For full performance operational characteristics at both low line (110 V
AC
) and high line (220 V
AC
), as well as at
no-load and full-load, refer to FEB388 Evaluation Board User Guide: 400 W Evaluation Board using
FAN9611/12.
V
OUT
 
Line Current
V
OUT
 
Line
Current
I
L1
 
I
L2
 
I
L1
 + I
L2
 
I
L1
 
I
L2
 
I
L1
 + I
L2
 
110V
AC
 
220V
AC
 
Line
Vol
V
OUT
 
COMP
Line
Current
V
GATE
 
V
GATE
 
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