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参数资料
| 型号： | LC005A |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 32 X 25.40 MM, 10.20 MM HEIGHT, LOW PROFILE, MODULE |
| 文件页数： | 6/20页 |
| 文件大小： | 369K |
| 代理商： | LC005A |
14
Lucent Technologies Inc.
Data Sheet
December 1999
18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs, 5 W
LC/LW005-Series Power Modules:
Thermal Considerations (continued)
8-2625(C)
Figure 27. LW005A Power Dissipation vs. Output
Current
8-2628(C)
Figure 28. LW005B Power Dissipation vs. Output
Current
8-2812(C)
Figure 29. LW005C Power Dissipation vs. Output
Current
Module Derating
The derating curves in Figure 22 were derived by mea-
surements obtained in an experimental apparatus
shown in Figure 30. Note that the module and the
printed-wiring board (PWB) that it is mounted on are
both vertically oriented. The passage has a rectangular
cross section.
8-1126(C).a
Note: Dimensions are in millimeters and (inches).
Figure 30. Experimental Test Setup
NORMALIZED OUTPUT CURRENT, IO/IO, max (%)
20
30
40
50
60
70
0.0
1.2
0.8
0.6
1.0
1.6
100
10
1.4
0.4
80
90
0.2
1.8
2.0
VI = 48 V
VI = 75 V
POWER
DISSIPATION,
P
D
(W)
VI = 36 V
NORMALIZED OUTPUT CURRENT, IO/IO, max (%)
0.4
1.6
1.2
1.0
1.4
1.8
0.8
0.6
2.0
2.2
POWER
DISSIPATION,
P
D
(W)
30
40
60
50
20
10
70
80
100
90
VI = 48 V
VI = 75 V
VI = 36 V
1.9
0.9
0.5
1.3
1.7
2.1
0.7
1.1
1.5
20
30
40
50
60
100
10
NORMALIZED OUTPUT CURRENT, IO/IO, max (%)
POWER
DISSIPATION,
P
D
(W)
90
70
80
VI = 75 V
VI = 48 V
VI = 36 V
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED
BELOW THE
MODULE
AIRFLOW
12.7 (0.50)
FACING PWB
MODULE
76 (3.00)
PWB
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