PLC810PG Datasheet, PDF (17/26 Pages) Power Integrations, Inc. – Continuous Mode PFC & LLC Controller Continuous Mode PFC & LLC Controller

PFC MOSFET, diode,
sense resistor,
HF bypass cap close
to each other
PFC Gate
drive circuit
close to
MOSFET
PLC810PG
Dedicated
GND trace
to sense R
Dedicated
ISP trace to
sense R
ISP, GND,
GATEP traces
side-by-side
Figure 12. PFC Power and Signal Layout Recommendations.
12 V
Standby
GATEP
C28
1 µF
25 V
R4
10 Ω
Q8
FMMT491
R33
10 Ω
Q7
SPA21N50C3
Q9
FMMT591
R107
4.7 kΩ
PI-5278-111108
Figure 13. PFC Gate Drive Circuit Recommendation.
www.powerint.com
PI-5282-111008
17
Rev. F 08/09