2
OPTION
OPTION
OPTION
OPTION
OPTION
BKT4142
1
3
IC_TOP268VG
IC4140
S
V
S
S
X
C
S
S
F
S
D
EE2525
T4140
After primary side rectification
(Caution: High voltage, electric shock)
Primary drain
(Caution: High voltage, electric shock)
After secondary rectifications
A
B
C
Operation waveform for each part
A
B
C
A
B
C
SMPS unit
(Unloaded)
Set
81