參數(shù)資料
型號: LS4000
英文描述: 100 Watt AC-DC Converters with PFC
中文描述: 100瓦交直流轉(zhuǎn)換器的功率因數(shù)校正
文件頁數(shù): 26/27頁
文件大小: 599K
代理商: LS4000
Cassette Style
100 Watt AC-DC Converters
S Series PFC
Edition 01/01.2001
26/27
3
5.1 V
4.875 V
0
U
ci
[V DC]
0
t
t
358
355
Input voltage failure
Switch-on cycle
Input voltage sag
Switch-on cycle and subsequent
input voltage failure
U
V high
U
V low
U
V
0
V2
t
U
o1
0
U
V high
U
V low
U
V
0
V2
U
i
U
ti
4
Output voltage failure
0
U
V high
U
V low
U
V
3
U
ti
+
U
hi
t
low min 2
t
low min 2
t
low min 2
3
3
4
4
U
V high
U
V low
U
V
0
V3
t
3
t
low min 2
t
low min 2
3
3
t
h 1
2.0 V
t
h 1
4
3
4
t
low min 2
V3
5.1 V
4.875 V
0
U
o1
2.0 V
Input voltage monitoring
Output voltage monitoring
11045
t
t
t
t
Fig. 40
Relationship between U
ci
, U
o1
, U
V
, I
V
and U
o1
/U
o nom
ver-
sus time.
1
VME request: minimum 4 ms
2
t
low min
= 40...200 ms, typically 80 ms
3
U
V
level not de
fi
ned at U
o1
<
2.0 V
4
The V signal drops simultaneously with the output voltage if the
pull-up resistor R
P
is connected to Vo1+.
The V signal remains high if R
P
is connected to an external
source.
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