參數(shù)資料
型號： LK2540-7EPD1T
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)： 24/27頁
文件大?。?/td> 640K
代理商： LK2540-7EPD1T
Rugged Environment
DC-DC Converters >100 W
K-Family
Edition 2/96 - Melcher AG
8 - 7
MELCHER
The Power Partners.
8.1
Table 4b: Input data
Input
EK
FK
LK
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Ui
Input voltage range
Io = 0…Io nom
–
85
264
V AC
TC min…TC max
67
385
20
100
88
372
V DC
Ui nom Input voltage (nominal)
220
48
310
Ii
Input current
Ui nom, Io nom 1
0.8
3.75
0.6
A
Pi0
No-load input power
Ui min…Ui max
2.5
W
Pi inh
Idle input power
unit inhibited
1.5
Ri
Input resistance
TC = 25
°C
180
70
480
m
RNTC
NTC resistance 2
TC = 25°C
3200
– 3
3200
Ci
Input capacitance
210
400
1200
1800
210
400
F
Ui RFI
Conducted input RFI
EN 55022
B
Radiated input RFI
B
Ui abs
Input voltage limits
0
400
0
110
–400
400
V DC
(without damage)
F
Fuse rating (nominal)
see Input Fuse
4.0
16.0
4.0
A
1 With double output modules, both outputs loaded with Io nom.
2 Valid for -7, -6, -5 versions with NTC, (-9 versions exclude the NTC). Initial switch-on cycle. Subsequent switch-on/off cycles increase
the inrush current peak value.
3 AK, BK and FK types have no NTC (inrush current limiter) fitted.
4 1 s max., duty cycle 1% max.
Table 4a: Input data
Input
AK
BK
CK
DK
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
min
typ
max
Unit
Ui
Input voltage range
Io = 0…Io nom
8
35
14
70
28
140
44
220 V DC
Ui nom
Input voltage (nominal)
TC min…TC max
15
30
60
110
I i
Input current
Ui nom, Io nom 1
9.0
6.0
3.0
1.6
A
Pi0
No-load input power
Ui min…Ui max
2.5
W
Pi inh
Idle input power
unit inhibited
1.5
Ri
Input resistance
TC = 25
°C
65
100
150
170
m
RNTC
NTC resistance 2
TC = 25
°C– 3
– 3
800
1600
Ci
Input capacitance
830
1250 300
450
660
1000 260
400
F
Ui RFI
Conducted input RFI
EN 55022
ABBB
Radiated input RFI
>A
B
Ui abs
Input voltage limits
0
40
0
80
0
154
0
400 4 V DC
(without damage)
F
Fuse rating (nominal)
see Input Fuse
30.0
25.0
12.5
8.0
A
Electrical Input Data
General Conditions
–
TA = 25°C, unless TC is specified.
– Pin 18 connected to pin 14,
Uo adjusted to Uo nom (option P); R input not connected.
– Sense line pins S+ and S– connected to Vo+ and Vo– respectively.
Note: EK types with an input voltage range of 67...385 V DC are available upon request.
Remarks: LK types may be operated in AC mode within a frequency range of 47...440 Hz. Above 70 Hz (at
Ui = 264 V AC)
the earth leakage current may exceed 3.5 mA as specified in IEC 950. The built-in Y capacitors are specified for frequen-
cies up to 100 Hz. Above 350 Hz the input voltage should not exceed 200 V AC, due to the built-in X capacitors.
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