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參數(shù)資料
| 型號： | TXS120ZA-R3H |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 180 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 2.400 X 3.450 INCH, 0.500 INCH HEIGHT, 3/4 BRICK PACKAGE-14 |
| 文件頁數(shù)： | 19/27頁 |
| 文件大小： | 2635K |
| 代理商： | TXS120ZA-R3H |
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Product Specification
TXS Series: 75…120 A DC-DC Converters
36 to 75 V DC Input, 1.2, 1.5, 1.8, 2.0 and 2.5 V Output, 90 W to 250 W
REV. FEB 18, 2003
26 of 27
www.power-one.com
Layout Considerations
The layout for a TXS module has to be done
carefully to minimise EMI effects and to avoid
current crowding on the motherboard.
The application note “TXS layout considerations”
on the TXS product CD ROM gives some general
rules how to achieve a good layout. It explains how
to work with 100A currents, how EMI is avoided,
how signal wires should be routed and how the
module should be positioned. It gives safety advice
and describes the advantages of Bus Bars.
Screw fixing
To relieve the solder connections from mechanical
stress, it is recommended that the modules be
screwed to the motherboard. This is especially
important, if an external heatsink is used.
P1 standard Heat Sink
Thermal
interface material
Telecom
motherboard
Spring washer
0.5’ =12.7mm
Alu base-plate
of TXS
d Print +/- Tol
M3
Screw
Figure 56:
Screw fixing of the TXS converter
Care should be taken when selecting the screw
lengths to mount the TXS on the motherboard and
the heatsink on the TXS. The available thread
length in the TXS case and the tolerances of the
screws and the board should be considered.
The minimum insertion depth of the screw in the
material should be 4.5 mm. It is recommend to use
spring washers to compensate for changes in the
motherboard
thickness
due
to
ageing
and
temperature variations.
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