Data Sheet
FAN7529 Critical Conduction Mode PFC Controller
© 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