top233 Power Integrations, Inc., top233 Datasheet - Page 22

• Manufacturer Part Number: top233
• Description: Design Flexible, Ecosmart , Integrated Off-line Switcher
• Manufacturer: Power Integrations, Inc.

Figure 30. Layout Considerations for TOPSwitch-FX using TO-220 Package (Using Current Limit Reduction with Line Voltage).
22
Figure 29. Layout Considerations for TOPSwitch-FX using DIP or SMD (Using Line Sensing for Under-Voltage and Overvoltage).
TOP232-234
TOP VIEW
TOP VIEW
B
7/01
HV
HV
+
-
+
-
Heat Sink
J1
J1
R1
Input Filter Capacitor
Input Filter Capacitor
R1
TOPSwitch-FX
M
S
TOPSwitch-FX
S
S
R2
S
S
F
M
D
C
D
C
PRI
BIAS
PRI
BIAS
Safety Spacing
Safety Spacing
Capacitor
Capacitor
coupler
coupler
Opto-
Opto-
Y1-
Y1-
m
m
m
T
a
n
o
e
T
a
n
s
s
o
e
T
a
n
o
e
r
f
r
r
s
r
f
r
r
r
r
r
f
SEC
SEC
Maximize hatched copper
areas (
heat sinking
Maximize hatched copper
areas (
heat sinking
Output Filter Capacitor
-
Output Filter Capacitor
-
Out
DC
Out
DC
+
+
) for optimum
) for optimum
PI-2544-092199
PI-2543-092199