參數(shù)資料
型號: LK2540-9EPD4T
廠商: POWER-ONE INC
元件分類: 電源模塊
英文描述: 2-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE
封裝: HEAT SINK, METAL, CASE K02, MODULE
文件頁數(shù): 15/27頁
文件大?。?/td> 640K
代理商: LK2540-9EPD4T
Rugged Environment
DC-DC Converters >100 W
K-Family
Edition 2/96 - Melcher AG
8 - 23
MELCHER
The Power Partners.
8.1
D-signal with respect to input and output voltage versus time:
1 Hold-up time see section Electrical Input Data
2 With output voltage monitoring, hold-up time th = 0.
3 The signal will remain high if the D output is connected to
an external source.
4 t low min = 100...170 ms, typically 130 ms.
Fig. 27
Relationship between Ui, Uo1, UD, Uo1/Uo nom versus time
0
1
0.95
0
U
i [V DC]
0
t
low min
4
t
low min
4
t
high min
t
h
1
U
ti +Uhi
U
ti
Input voltage failure
Switch-on cycle
Input voltage sag
Switch-on cycle and subsequent
input voltage failure
U
D high
U
D low
U
D
0
JFET
NPN
t
U
o1
U
o1 nom
U
D high
U
D low
U
D
t
low min
4
t
h
1
0
U
D high
U
D low
U
D
0
JFET
NPN
U
o1
U
D high
U
D low
U
D
t
low min
4
U
to
Output voltage failure
0
I
D high
I
D low
I
D
t
0
I
D high
I
D low
I
D
t
2
33
U
o1 nom
U
to +Uho
Input voltage monitoring
Output voltage monitoring
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