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參數(shù)資料
| 型號： | LC020C7 |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 437K |
| 代理商： | LC020C7 |
12
Lineage Power
Data Sheet
April 2008
18 Vdc to 36 Vdc Inputs; 20 W
LC020 Single-Output Series Power Module:
Thermal Considerations (continued)
Heat Transfer Without Heat Sinks (continued)
Solution:
Given: VI = 36 V, IO = 2.0 A, TA = 83 °C
Determine Airflow (Figure 21): v = 1.0 ms–1
(200 ft./min.)
8-1264
Figure 21. Forced Convection Power Derating with
No Heat Sink; Either Orientation
1-0337
Figure 22.LC020F Power Dissipation vs. Output
Current, TA = 25 °C
8-1371
Figure 23. LC020A Power Dissipation vs. Output
Current, TA = 25 °C
1-0338
Figure 24.LC020B Power Dissipation vs. Output
Current, TA = 25 °C
1-0336
Figure 25.LC020C Power Dissipation vs. Output
Current, TA = 25 °C
30
50
90
0
1.0
5.0
AMBIENT TEMPERATURE, T A (C)
PO
WER
DISSIP
A
TION,
P
D
(W)
40
1.5
2.0
2.5
3.0
3.5
60
0.5
70
80
4.0
4.5
5.5
6.0
6.5
100
3.0 ms
-1 (600 ft./min.)
NATURAL
CONVECTION
2.0 ms
-1 (400 ft./min.)
1.0 ms
-1 (200 ft./min.)
0.5 ms
-1 (100 ft./min.)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
PO
WER
DISSIP
A
TION,
P
D
(W)
OUTPUT CURRENT, IO (A)
0.4
0.9
1.4
1.9
2.4
2.9
3.4
3.9
VI = 36 V
VI = 27 V
VI = 18 V
0.0
0.5
1.0
2.0
2.5
3.0
3.5
0
5
6
7
8
9
OUTPUT CURRENT, IO (A)
PO
WER
DISSIP
A
TION,
P
D
(W)
4
4.0
1.5
3
VI = 36 V
VI = 28 V
VI = 18 V
1
2
VIN = 18 V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
PO
WER
DISSIP
A
TION,
P
D
(W)
OUTPUT CURRENT, IO (A)
0.16
0.36
0.56
0.76
0.96
1.16
1.36
1.56
VI = 36 V
VI = 27 V
VI = 18 V
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
PO
WER
DISSIP
A
TION,
P
D
(W)
OUTPUT CURRENT, IO (A)
0.13
0.33
0.53
0.73
0.93
1.13
1.33
VI = 36 V
VI = 27 V
VI = 18 V
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