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參數(shù)資料
| 型號(hào)： | LW020G71 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 341K |
| 代理商： | LW020G71 |
Lucent Technologies Inc.
7
Data Sheet
January 2000
36 Vdc to 75 Vdc Inputs; 20 W
LW020 Single-Output-Series Power Modules:
Characteristics Curves (continued)
8-1260(C).a
Figure 5. LW020A Typical Converter Efciency vs.
Output Current
8-1484(C)
Figure 6. LW020B Typical Converter Efciency vs.
Output Current, TA = 25
°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
72
73
74
75
76
77
OUTPUT CURRENT, IO (A)
78
79
80
81
EFFICIENCY,
(%)
82
VI = 36
VI = 54
VI = 75
0.2
0.4
0.6
0.8
1.0
1.2
70
OUTPUT CURRENT, IO (A)
84
EFFICIENCY,
(%)
86
1.4
1.6
0.0
82
80
78
VI = 75
VI = 54
VI = 36
76
74
72
8-1485(C)
Figure 7. LW020C Typical Converter Efciency vs.
Output Current, TA = 25
°C
8-1262(C).a
Figure 8. LW020A, B, C, F, and G Typical Output
Voltage for a Step Load Change from 50%
to 75%
0.2
0.4
0.6
0.8
1.0
1.2
70
OUTPUT CURRENT, IO (A)
84
EFFICIENCY,
(%)
86
0.0
82
80
78
VI = 75
VI = 54
VI = 36
76
74
72
88
NORMALIZED
OUTPUT
CURRENT,
I
O
(A)
NORMALIZED
OUTPUT
VOLTAGE,
V
O
(V)
50%
IO, max
100%
VO, nom
99%
VO, nom
75%
IO, max
TIME, t (100 s/div)
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