參數(shù)資料
型號(hào): QW050A1
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 5/20頁
文件大?。?/td> 1272K
代理商: QW050A1
dc-dc Converters; 36 to 75 Vdc Input, 5 Vdc Output; 50 W and 75 W
QW050A1 and QW075A1 Power Modules:
Data Sheet
May 2000
Lucent Technologies Inc.
5
Characteristic Curves
The following figures provide typical characteristics for the power modules. The figures are identical for both on/off
configurations.
8-2949 (F)
Figure 1. Typical QW050A1 Input Characteristics at
Room Temperature
8-2327 (C)
Figure 2. Typical QW075A1 Input Characteristics at
Room Temperature
8-2950 (F)
Note: Pending improvement will add 1% to the above curves.
Figure 3. Typical QW050A1 Converter Efficiency
vs. Output Current at Room Temperature
8-2951 (F)
Note: Pending improvement will add 1% to the above curves.
Figure 4. Typical QW075A1 Converter Efficiency
vs. Output Current at Room Temperature
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
= 10 A
I
O
= 6 A
I
O
= 1 A
30
35
40
45
75
0.0
INPUT VOLTAGE, V
I
(V)
I
I
3.5
20
50
55
60
65
70
0.5
2.5
3.0
25
1.0
1.5
2.0
I
O
= 15 A
I
O
= 7.5 A
I
O
= 1.5 A
85
84
83
81
79
77
75
2
3
4
5
6
7
8
9
10
OUTPUT CURRENT, I
O
(A)
E
η
82
80
78
76
V
I
= 36 V
V
I
= 48 V
V
I
= 75 V
85
82
81
80
79
78
77
76
75
3
4
7
10
11
12
13
14 15
84
OUTPUT CURRENT, I
O
(A)
E
η
5
6
8
9
83
V
I
= 36 V
V
I
= 54 V
V
I
= 75 V
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