User`s guide
SMPS AC/DC Reference Design User’s Guide
DS70320B-page 78 © 2008 Microchip Technology Inc.
FIGURE A-4: PFC CIRCUIT SCHEMATIC
EMC_NEUTRAL
PFC_SHUNT_NEG
LIVE_DRIVE_SUPPLY
EMC_NEUTRAL
EMC_LIVE
EARTH
D15
BAT54S_SOT23
DNP
EMC_LIVE
-HV_BUS
PFC_FIRE
1N5408D23
|VAC|_SENSE
-HV_BUS
LIVE_GND
+HV_BUS
BAS16
D10
DO-220 Formed
STTH5R06D
D1
+HV_BUS
GBU8
BR1
C31
BAS16
D12
NTC1
D=21mm, P=7.5mm
U5
HV_LINK_SENSE