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參數資料
| 型號： | QW075F1 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 5/20頁 |
| 文件大?。?/td> | 1008K |
| 代理商： | QW075F1 |
Data Sheet
May 2000
Lucent Technologies Inc.
5
dc-dc Converters; 36 to 75 Vdc Input, 3.3 Vdc Output; 33 W to 50 W
QW050F1 and QW075F1 Power Modules:
Characteristic Curves
The following figures provide typical characteristics for the power modules. The figures are identical for both on/off
configurations.
8-2959 (F)
Figure 1. Typical QW050F1 Input Characteristics at
Room Temperature
8-3032 (F)
Figure 2. Typical QW075F1 Input Characteristics at
Room Temperature
8-2960 (F)
Note: Pending improvement will add 1% to the above curves.
Figure 3. Typical QW050F1 Converter Efficiency
vs. Output Current at Room Temperature
8-2961 (F)
Note: Pending improvement will add 1% to the above curves.
Figure 4. Typical QW075F1 Converter Efficiency
vs. Output Current at Room Temperature
1.4
1.0
20
INPUT VOLTAGE, V
I
(V)
I
I
0.8
0.6
0.4
0.2
0.0
25
30
35
40
45
50
55
75
1.2
60
65
70
I
O
= 10 A
I
O
= 6 A
I
O
= 1 A
2.5
2.0
1.5
0.5
0.0
20
30
40
45
50
55
60
65
70
INPUT VOLTAGE, V
I
(V)
I
I
75
1.0
35
25
I
O
= 15.0 A
I
O
= 8.0 A
I
O
= 1.5 A
82
81
80
2
OUTPUT CURRENT, I
O
(A)
E
η
79
78
77
73
72
3
4
5
6
7
8
9
10
V
I
= 36 V
V
I
= 48 V
V
I
= 75 V
74
75
76
SEE NOTE
82
81
80
2
OUTPUT CURRENT, I
O
(A)
E
η
79
78
77
73
72
3
4
5
6
7
9
11
15
74
75
76
13
10
8
12
14
V
I
= 36 V
V
I
= 48 V
V
I
= 75 V
SEE NOTE
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