參數(shù)資料
型號： CK2540-7ERD6T
元件分類： 電源模塊
英文描述： 2-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
封裝： HEAT SINK, METAL, CASE K02, MODULE
文件頁數(shù)： 27/31頁
文件大小： 637K
代理商： CK2540-7ERD6T
Cassette Style
150 Watt DC-DC Converters
K Series
Edition 01/01.2000
5/31
Electrical Input Data
General Conditions
–
TA = 25
°C, unless T
C 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.
Table 2a: Input data
Input
AK
BK
FK
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Ui
Operating input voltage
Io = 0…Io nom
8
35
14
70
20
100
V DC
Ui nom
Nominal input voltage
TC min…TC max
15
30
48
Ii
Input current
Ui nom, Io nom 1
9.0
6.0
3.75
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
70
m
RNTC
NTC resistance 2
333
Ci
Input capacitance
830
1250
300
450
1200
1800
F
Ui RFI
Conducted input RFI
EN 55022
A
B
Radiated input RFI
Ui nom, I o nom
AA
B
Ui abs
Input voltage limits
0
40
0
80
0
100
V DC
without damage
Table 2b: Input data
Input
CK
DK
EK
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Ui
Operating input voltage
Io = 0…Io nom
28
140
44
220
67
385
V DC
Ui nom
Nominal input voltage
TC min…TC max
60
110
220
Ii
Input current
Ui nom, Io nom 1
3.0
1.6
0.8
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
150
170
180
m
RNTC
NTC resistance 2
800
1600
3200
Ci
Input capacitance
660
1000
260
400
210
400
F
Ui RFI
Conducted input RFI
EN 55022
B
Radiated input RFI
Ui nom, I o nom
BB
B
Ui abs
Input voltage limits
0
154
0
400 4
0
400
V DC
without damage
1 With double output modules, both outputs loaded with Io nom.
2 Valid for -7 versions with NTC, (-9 versions exclude the NTC). Initial switch-on cycle. Subsequent switch-on/off cycles increase the in-
rush current peak value.
3 AK, BK and FK types have no NTC (inrush current limiter) fitted.
4 1 s max., duty cycle 1% max.
Input Transient Protection
A suppressor diode or a VDR (depending upon the input
voltage range) together with the input fuse and a symmetri-
cal input filter form an effective protection against high input
transient voltages which typically occur in most installa-
tions, but especially in battery driven mobile applications.
Nominal battery voltages in use are: 12, 24, 36, 48, 60, 72,
110 and 220 V. In most cases each nominal value is speci-
fied in a tolerance of –30%...+25%.
In certain applications, surges according to RIA 12 are
specified in addition to those defined in IEC 571-1. The
power supply must not switch off during these surges and
since their energy can practically not be absorbed an ex-
tremely wide input range is required. The EK input range for
110 V batteries has been designed and tested to meet this
requirement.
Inrush Current Limitation
The CK, DK, EK modules incorporate an NTC resistor in
the input circuitry which - at initial turn on - reduces the peak
inrush current value by a factor of 5...10 to protect connec-
tors and switching devices from damage. Subsequent
switch-on cycles within short periods will cause an increase
of the peak inrush current value due to the warming-up of
the NTC resistor. See also:
E option.
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