参数资料
型号: LW020B
元件分类: 电源模块
英文描述: 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE
封装: LOW PROFILE, MODULE-8
文件页数: 13/16页
文件大小: 341K
代理商: LW020B
6
Lucent Technologies Inc.
Data Sheet
January 2000
36 Vdc to 75 Vdc Inputs; 20 W
LW020 Single-Output-Series Power Modules:
Characteristics Curves
8-1481(C).a
Figure 1. LW020 Typical Input Characteristics,
TA = 25
°C
8-1258(C).a
Figure 2. LW020A, B, C, F, and G Typical Output
Characteristics, TA = 25
°C
8-1483(C).a
Figure 3. LW020G Typical Converter Efciency vs.
Output Current, TA = 25
°C
8-1483(C)
Figure 4. LW020F Typical Converter Efciency vs.
Output Current, TA = 25
°C
10
20
30
40
50
60
0.0
0.8
INPUT VOLTAGE, VI (V)
0.6
0.5
0.4
0.7
INPUT
CURRENT,
I
I(A)
1.0
70
80
0
0.9
0.3
0.2
0.1
PO = 20 W
PO = 10 W
PO = 2 W
0
100%
VO, nom
80%
VO, nom
40%
VO, nom
20%
VO, nom
60%
VO, nom
NORMALIZED OUTPUT CURRENT, IO (A)
NORMALIZED
OUTPUT
VOLTAGE,
V
O
(V)
VI = 75
VI = 54
VI = 36
50%
IO, max
100%
IO, max
150%
IO, max
0
1.4
1.9
2.4
2.9
3.4
60
OUTPUT CURRENT, IO (A)
74
EFFICIENCY,
(%)
76
3.9
0.4
72
62
70
64
VI = 36 V
VI = 48 V
VI = 75 V
68
66
0.9
0.5
1.0
1.5
2.0
2.5
3.0
70
OUTPUT CURRENT, IO (A)
79
78
77
EFFICIENCY,
(%)
80
3.5
4.0
0.0
76
75
74
VI = 75
VI = 54
VI = 36
73
72
71
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