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參數(shù)資料
| 型號： | LW016BK3 |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 16 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-9 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 486K |
| 代理商： | LW016BK3 |
11
Lineage Power
Advance Data Sheet
April 2008
36 Vdc to 75 Vdc Inputs; 16 W
LW016 Dual-Output-Series Power Modules:
Thermal Considerations (continued)
Heat Transfer (continued)
Example
What is the minimum airflow necessary for a LW016AJ
operating at VI = 75 V, an output current of 0.8 A on
each output, and a maximum ambient temperature of
80 °C?
Solution
Given: VI = 75 V, IO1 = IO2 = 0.8 A, TA = 80 °C
Determine airflow (Figure 12): v = 0.5 ms–1
(100 ft./min.)
8-1282(C).b
Note: Conversion factor for linear feet per minute to meters per
second: 200 ft./min. = 1 ms–1.
Figure 12. Forced Convection Power Derating;
Either Orientation
8-1341(C).e
Figure 13. LW016AJ Power Dissipation vs. Output
Current, TA = 25 °C
8-1341(C).f
Figure 14. LW016BK Power Dissipation vs. Output
Current, TA = 25 °C
PO
WER
DISSIP
A
TION,
P
D
(W)
30
50
90
40
60
70
80
0.0
1.0
MAX AMBIENT TEMPERATURE, T A (C)
1.5
2.0
2.5
3.0
3.5
0.5
4.0
4.5
100
2.0 ms -1 (400 ft./min.)
1.5 ms-1 (300 ft./min.)
1.0 ms -1 (200 ft./min.)
0.5 ms -1(100 ft./min.)
NATURAL CONVECTION
5.0
0.4
0.8
1.2
0
3.5
OUTPUT CURRENT, I O1 = IO2 (A)
1.5
1.0
2.0
PO
WER
DISSIP
A
TION,
P
D(W)
4.0
1.6
0.0
0.5
2.5
3.0
VI = 75 V
VI = 48 V
VI = 36 V
4.5
5.0
0.17
0.34
0.51
0.0
3.5
OUTPUT CURRENT, IO1 = IO2 (A)
1.5
1.0
2.0
PO
WER
DISSIP
A
TION,
P
D
(W)
4.0
0.67
0.0
0.5
2.5
3.0
VI = 75 V
VI = 48 V
VI = 36 V
4.5
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