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| 型號： | LKP5742-7R |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 250 W AC-DC PWR FACTOR CORR MODULE |
| 封裝： | HEAT SINK, METAL, CASE K02, MODULE |
| 文件頁數(shù)： | 23/23頁 |
| 文件大小： | 534K |
| 代理商： | LKP5742-7R |
Cassette Style
AC-DC Converters
KP Series
Edition 01/01.2001
9/23
Output Voltage Regulation
Output 1 is under normal conditions regulated to
Uo1 nom,
independent of the output currents.
Uo2 is dependent upon the load distribution. If both outputs
are loaded with more than 10% of
Io nom, the deviation of
Uo2 remains within
±5% of the value of U
o1. The following
gure shows the regulation with varying load distribution. If
Io1 = Io2 or the two outputs are connected in series, the de-
viation of
Uo2 remains within
±1% of the value of U
o1 pro-
vided that a total load of more than 10% of
Io nom is applied.
If both outputs of a single LKP 5000 module are connected
in parallel the paralleled output is fully regulated. No pre-
cautions are necessary in using the R-input and the test
sockets.
Uo
Uo nom
0.98
0.5
0
0.5
1.0
Io
IoL
Io
Io nom
05158
Output Voltage Regulation Connected in Series
Fig. 11
Uo versus Io
00.2
0.4
0.6
0.8
1
Io2/Io2 nom
21
22
23
24
25
26
27
[V]
Uo2
Io1 = 100%
Io1 =50%
Io1 =10%
05004
Fig. 10
LK 5660:
DUo2 (typ.) versus Io2 with different Io1
Hold-up Time versus Output Power
0.2
0.4
0.6
0.8
1
0
10
80
20
30
40
50
60
70
time [ms]
90
Io /Io nom
05159
100
Fig. 13
Hold-up time th versus output power
Uo2d
Uo1d
td
Ur
t
<10
s
<10
s
Uo1
Uo2
Io1/Io1 nom
0
0.5
1
Io2/Io2 nom
05005
Fig. 12
Typical dynamic load regulation of Uo1 and Uo2.
Dynamic Load Regulation
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