TOP249Y Power Integrations, TOP249Y Datasheet - Page 31

• Manufacturer Part Number: TOP249Y
• Description: IC OFFLINE SWIT UVLO HV TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of TOP249Y

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 250W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 47. Layout Consideratiions for TOPSwitch-GX using P or G Package.
Figure 48. Layout Consideratiions for TOPSwitch-GX using Y or F Package.
TOPSwitch-GX
TOP VIEW
HV
TOP VIEW
+
-
HV
+
-
R1
R1
Input Filter Capacitor
R2
Heat Sink
Input Filter Capacitor
S
M
S
TOPSwitch-GX
S
L
X
S
D
C
D
C
BIAS
PRI
BIAS
PRI
Safety Spacing
Safety Spacing
Capacitor
coupler
Capacitor
Opto-
coupler
Y1-
Opto-
m
T
a
n
o
e
s
r
f
r
r
Y1-
m
T
a
n
o
e
s
r
f
r
r
SEC
SEC
Maximize hatched copper
areas (
heat sinking
Maximize hatched copper
areas (
heat sinking
Output Rectifier
Output Filter Capacitor
-
Output Rectifier
Output Filter Capacitor
-
Out
DC
Out
DC
) for optimum
TOP242-250
+
+
) for optimum
PI-2669-042301
PI-2670-042301
11/05
O
31