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參數(shù)資料
| 型號： | LK2540-7PD3 |
| 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)： | 10/27頁 |
| 文件大小： | 640K |
| 代理商： | LK2540-7PD3 |
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Rugged Environment
DC-DC Converters >100 W
K-Family
Edition 2/96 - Melcher AG
8 - 19
MELCHER
The Power Partners.
8.1
Supplementary Data
Isolation
Input to output electric strength tests in accordance with
IEC 950, EN 60950, VDE 0805 and EN 41003 respectively
are performed as factory tests and should not be repeated
in the field.
Description of Options
Table 13: Survey of options
Option
Function of Option
Characteristics
-9
Operational temperature range
TA = –40°C...71°C
Extended operational temperature range
E 1
Electronic inrush current limitation circuitry
Improved inrush current limitation as per table 12
P
Potentiometer for
Uo adjustment
R-function is not available if option P is incorporated
D
Input and/or output undervoltage monitoring circuitry
Safe data signal output (Versions D0...DD)
V 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 units max.)
B1
Cooling plate
Replaces standard heat sink, allowing direct chassis-mounting
1 Option E for C/D/E/LK types
2 Option V for AK...LK 1001 types
Option -9 Extended Temperature Range
Extension of the operating temperature range from standard –25...71
°C to –40...71°C.The modules will provide full nomi-
nal output power with free air convection cooling. Option -9 excludes inrush current limitation by NTC.
Display Status of LEDs
Uo > 0.95...0.985Uo adj
Ui max Ui ov
Ui min
Ui uv
Ui
Ui abs
OK
i
Uo > 0.95...0.985Uo adj
Io nom
IoL
Io
OK
Io L
Uo < 0.95...0.985Uo adj
TC
i
TC max
TPTC threshold
Ui inh
i
+50 V
+0.8 V
+2.4 V
-50 V
Uinh threshold
Io L
LED off
LED on
LED Status undefined
Fig. 18
LEDs "OK ", "i " and "Io L"status versus input voltage
Conditions: Io ≤ Io nom, TC ≤ TC max, Uinh ≤ 0.8 V
Ui uv = undervoltage lock-out, Ui ov = overvoltage lock-out
LEDs "OK " and "Io L"status versus output current
Conditions: Ui min...Ui max, TC ≤ TC max, U inh ≤ 0.8 V
LED "i "versus case temperature
Conditions: Ui min...Ui max, I o
≤ Io nom, Uinh ≤ 0.8 V
LED "i "versus Uinh
Conditions: Ui min...Ui max, I o ≤ I o nom, TC ≤ TC max
Table 12: Electric strength test voltages, clearance and creepage distances
Characteristic
Input to Output
Input to Case
Output to Case
Output to Output
Unit
Electric strength test voltage
4.0
2.0
1.0
0.1
kVrms
5.6
2.8
1.4
0.15
kV DC
Clearance and
AK/BK
6.4
3.2
2.0
0.8
mm
creepage distance
CK...LK
6.4
3.2
2.0
0.8
on the print lay-out
Important Advice
Testing by applying AC voltages will result in high and
dangerous leakage currents through the Y-capacitors
(see Functional Description, block diagrams). Melcher
will not honour any guarantee claims resulting from high
voltage field tests.
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