?2006 Fairchild Semiconductor Corporation
 www.fairchildsemi.com
FAN7529 Rev. 1.0.2
17  
7. Layout
Figure 39. PCB Layout Considerations for FAN7529
8. Performance Data
P
OUT
85V
AC
115V
AC
230V
AC
265V
AC
100W
PF
0.998
0.998
0.991
0.984
THD
5.1%
3.6%
5.2%
6.2%
Efficiency
90.9%
93.7%
95.6%
96%
75W
PF
0.999
0.998
0.986
0.975
THD
4.1%
3.6%
5.0%
5.7%
Efficiency
91.6%
93.3%
94.6%
95.3%
50W
PF
0.998
0.997
0.974
0.956
THD
4.4%
5.0%
5.7%
6.2%
Efficiency
91.3%
91.9%
92.7%
93.4%
25W
PF
0.995
0.991
0.923
0.876
THD
7.9%
8.6%
8.3%
8.7%
Efficiency
86.4%
87.1%
87.3%
88.1%
Power Ground
Signal Ground
Separate the power ground
and the signal ground
Place the output voltage
sensing resistors close to IC
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