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參數(shù)資料
| 型號(hào)： | LW020F7 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 341K |
| 代理商： | LW020F7 |
Lucent Technologies Inc.
13
Data Sheet
January 2000
36 Vdc to 75 Vdc Inputs; 20 W
LW020 Single-Output-Series Power Modules:
Thermal Measurements
The derating curves in Figure 16 were derived from measurements obtained in an experimental apparatus shown
in Figure 21. Note that the module and the printed-wiring board (PWB) that it is mounted on are vertically oriented.
The passage has a rectangular cross section.
8-1126(C).d
Note: Dimensions are in millimeters and (inches)
.
Figure 21. Experimental Test Setup
Layout Considerations
Copper paths must not be routed beneath the power module standoffs.
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED
BELOW THE
MODULE
AIRFLOW
13 (0.5)
FACING PWB
MODULE
76 (3.0)
PWB
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