TOP242-249
Maximize hatched copper
Safety Spacing
areas (
) for optimum
heat sinking
Y1-
Capacitor
+
Output Rectifier
Output Filter Capacitor
HV
-
Input Filter Capacitor
T
r
PRI
SEC
BIAS
a
n
s
f
PRI
S
S
D
o
r
m
e
r
TOPSwitch-GX
BIAS
TOP VIEW
S
S
C
M
Opto-
coupler
R1
DC
Out
-
+
R2
PI-2670-042301
Figure 47. Layout Considerations for TOPSwitch-GX using P or G Packages.
Safety Spacing
Y1-
Maximize hatched copper
+
Capacitor
areas (
) for optimum
heat sinking
Input Filter Capacitor
HV
Output Rectifier
Output Filter Capacitor
-
T
r
SEC
a
n
s
f
TOPSwitch-GX
D
o
r
X
L
m
e
r
C
TOP VIEW
Opto-
coupler
R1
Heat Sink
DC
Out
-
+
PI-2669-042301
Figure 48. Layout Considerations for TOPSwitch-GX using Y Package.
E
7/01
August 8, 2000
32
POWERINT [ Power Integrations ]
