DPA425R Power Integrations, DPA425R Datasheet - Page 20

• Manufacturer Part Number: DPA425R
• Description: IC CONV DC-DC DPA SWITCH TO263-7
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DPA425R

• Applications: Converter, Power Over Ethernet and Telecom Applications
• Voltage - Input: 16 ~ 75 V
• Number Of Outputs: 1
• Voltage - Output: 220V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (6 leads + tab, variant)
• Mounting Style: SMD/SMT
• For Use With: DAK-21A - KIT DESIGN ACCELERATOR DPA SW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Rev. S 12/07
Figure 28. Layout Considerations for DPA-Switch Using R Package.
Figure 29. Layout Considerations for DPA-Switch Using G Package.
20
DPA422-426
TOP VIEW
DC
In
TOP VIEW
+
-
V
DC
+
In
-
Solder Side
Component Side
Via between board layers
Maximize hatched copper area for optimum heat sinking
V
Top Side PCB
Bottom Side PCB
Maximize hatched copper area for optimum heat sinking
Via between board layers
V
DPA-Switch
(Two sided printed circuit board)
S
C
V
DPA-Switch
S
L
V
V
V
C
D
X
S
L
D
X
V
-
S
F
V
V
V
V
coupler
Opto-
Transformer
coupler
Opto-
m
DPA-Switch Heatsink
T
a
n
o
e
s
r
f
r
r
V
V
V
Bottom Diode
PI-3805-012904
Heatsink
+
(Coupled)
-
Output
Diode
Inductor
Out
DC
V
V
V
PI-2883-060602
Out
DC
+
-
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