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參數(shù)資料
| 型號(hào)： | DW025AB-8 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 1627K |
| 代理商： | DW025AB-8 |
Tyco Electronics Corp.
7
Data Sheet
June 1997
36 Vdc to 75 Vdc Input; Dual Outputs; 25 W
DW025 Dual Output-Series Power Modules: dc-dc Converters;
Characteristic Curves
8-993(C).a
Figure 1. DW025-Series Input Current and Normal-
ized Output Voltage vs. Input Voltage at
Full Load and TA = 25 °C
8-994(C)
Figure 2. DW025-Series Normalized Output Current
vs. Normalized Output Voltage at
VI = 48 V and TA = 25 °C
8-995(C)
Figure 3. DW025-Series Efciency vs. Normalized
Both Output Currents to Full Load at
VI = 48 V and TA = 25 °C
8-1019(C)
Figure 4. DW025-Series Typical 5 V Output Voltage
Response to a Step Load Change from
50% to 25% of IO, max at VI = VI, nom and
TA = 25 °C
Characteristic Curves (continued)
0
10
20304050
70
0
0.2
0.4
0.6
0.8
1.0
1.2
INPUT VOLTAGE, VI (V)
INPUT
CURRENT,
I
I(A)
0.8
0.6
0.4
0.2
0.0
1.0
1.2
VO
60
II
NORMALIZED
OUTPUT
VOLTAGE
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.2
0.4
0.6
0.8
1.2
NORMALIZED OUTPUT CURRENT TO FULL LOAD, IO (A)
1.0
VO = 3.3 V
5 V
12 V
15 V
NORMALIZED
OUTPUT
VOLTAGE,
V
O
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1.0
45
50
55
60
65
85
NORMALIZED BOTH OUTPUT CURRENTS TO
FULL LOAD, IO (A)
EFFICIENCY,
η
(%)
0.9
70
75
80
CC,CL
BB,BK
AA,AJ
AF
0.5 A
0.5 ms
50 mV
1.0 A
0.5 A
TIME, t (0.5 ms/div)
5.0 V
IO
t = 1 A/10 s
OUTPUT
CURRENT,
I
O
(A)
(0.5
A/div)
OUTPUT
VOLTAGE,
V
O
(mV)
(50
mV/div)
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