參數(shù)資料
型號(hào)： CK2540-9ERD3TB1
英文描述： 150 Watt DC-DC and AC-DC Converters
中文描述： 150瓦的DC - DC和AC - DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 24/34頁(yè)
文件大?。?/td> 605K
代理商： CK2540-9ERD3TB1
K Series Data Sheet
150 Watt DC-DC and AC-DC Converters
APR 26, 2006 revised to MAY 15, 2006
Page 24 of 34
www.power-one.com
Table 17: Inrush current characteristics with option E
(DC-DC converters)
Characteristics
CK
DK
EK
Unit
V
i nom
,
I
o nom
I
inr p
Input voltage
60
110
220
V
Peak inrush
current
6.8
7.4
14.6
A
t
inr
Inrush current
duration
18
14
16
ms
V
i max,
I
o nom
I
inr p
Input voltage
140
220
380
V
Peak inrush
current
9.3
14.5
25.3
A
t
inr
Inrush current
duration
20
14
12
ms
Option -9: Extended Temperature Range
Option -9 extends the operational ambient temperature range
from –25 to 71
°C
to
–
40 to 71
°
C. The power supplies provide
full nominal output power with convection cooling. Option -9
excludes inrush current limitation by NTC.
Option E: Inrush Current Limiter
CK/DK/EK/LK models may be supplemented by an electronic
circuit (option E, replacing the standard built-in NTC) to achieve
an enhanced inrush current limiting function. Option E is
mandatory for -9 models.
CK models fitted with option E and option D6 (input voltage
monitoring) meet the standard ETS 300132-2 for 48 VDC supply
voltage. Option D6 (externally adjustable via potentiometer from
36.0 to 40.5 V) is necessary to disable the converter at low input
voltages, avoiding an excessive input current. Option D6
threshold level should be adjusted to 44.0 - 50.0 V for 60 V
nominal supply systems (refer to the description of option D). The
D output can be connected directly to the inhibit input.
Note:
Subsequent switch-on cycles at startup are limited to max.
10 cycles during the first 20 seconds (cold model) and then to
max. 1 cycle every 8 seconds.
Description of Options
Table 16: Survey of options
Option
Function of Option
Characteristics
-9
Extended operational ambient temperature range
T
A
= –40 to 71 °C
Active inrush current limitation for CK, DK, EK
E
Electronic inrush current limitation circuitry
P
Potentiometer for fine adjustment of output voltage
Adjustment range +10/–60% of Vo nom(R input not connected)
Safe data signal output (versions D0 - DD)
D
1
Input and/or output undervoltage monitoring circuitry
V
1
,
2
Input (and output) undervoltage monitoring circuitry
ACFAIL signal according to VME specs (versions V0, V2, V3)
T
Current sharing
Interconnect T-pins if paralleling outputs (5 models max.)
B1/B2
Cooling plate
Replaces standard heat sink, allowing direct chassis-mounting
1
Option D excludes Option V and vice versa.
2
Only available for V
o1
= 5.1 V.
I
Control
C
FET
C
i
R
I
R
S
10017_082605
Rectifier (LK)
Fig. 24
Option E block diagram
Current limiting resistance = RS+ R= 15
Ω
(all models)
I
[A]
V
i
/
R
V
<30
t
[ms]
Capacitor
C
i
fully char
g
ed
Normal operation
(current limitin
g
circuit is fully
conductin
g
)
0
0
I
i
=
P
i
/
V
i
11039_052605
Fig. 25
Inrush current with option E (DC-DC converters)
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