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LM2540-7EPV0H PDF预览

LM2540-7EPV0H

更新时间: 2024-12-02 03:56:43
品牌 Logo 应用领域
BEL 电源电路
页数 文件大小 规格书
25页 568K
描述
AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid, METAL, CASE M02, MODULE

LM2540-7EPV0H 数据手册

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Cassette Style  
DC-DC Converters  
M Series  
50 Watt DC-DC (AC-DC) Converters  
M Series  
Wide input voltage from 8...373 V DC  
1, 2 or 3 isolated outputs up to 48 V DC  
4 kV AC I/O electric strength test voltage  
• Extremely wide input voltage range suitable for  
battery (and AC) operation  
• Efficient input filter and built-in surge and transient  
suppression circuitry  
• Outputs individually isolated and controlled  
• Outputs fully protected against overload  
Safety according to IEC/EN 60950  
LGA  
111  
4.37"  
3U  
168  
39  
Summary  
6.6"  
1.54"  
8TE  
The M series of DC-DC (AC-DC) converters represents a  
broad and flexible range of power supplies for use in ad-  
vanced industrial electronic systems. Features include high  
efficiency, reliability, low output voltage noise and excellent  
dynamic response to load/line changes due to individual  
regulation of each output.  
The converter inputs are protected against surges and tran-  
sients occuring at the source lines. An input over- and  
undervoltage lock-out circuitry disables the outputs if the in-  
put voltage is outside the specified range. Certain types in-  
clude an inrush current limitation preventing circuit break-  
ers and fuses from being damaged at switch-on.  
agencies LGA (Germany) and UL (USA). The UL Mark for  
Cana-da has been officially recognized be regulatory au-  
thorities in provinces across Canada.  
The case design allows operation at nominal load up to  
71°C in a free air ambient temperature. If forced cooling is  
provided, the ambient temperature may exceed 71°C but  
the case temperature should remain below 95°C under all  
conditions.  
All outputs are open- and short-circuit proof and are pro-  
tected against overvoltages by means of built-in suppressor  
diodes. The outputs can be inhibited by a logic signal ap-  
plied to the connector pin 2 (i). If the inhibit function is not  
used pin 2 should be connected to pin 23 to enable the out-  
puts.  
A temperature sensor generates an inhibit signal which  
disables the outputs if the case temperature TC exceeds the  
limit. The outputs are automatically re-enabled when the  
temperature drops below the limit.  
LED indicators display the status of the converter and allow  
visual monitoring of the system at any time.  
Various options are available to adapt the converters to in-  
dividual applications.  
Full input to output, input to case, output to case and output  
to output isolation is provided. The modules are designed  
and built according to the international safety standard  
IEC/EN 60950 and have been approved by the safety  
The modules may either be plugged into 19 inch rack sys-  
tems according to DIN 41494, or be chassis mounted.  
Table of Contents  
Page  
Page  
Electromagnetic Compatibility (EMC) ............................ 13  
Immunity to Environmental Conditions........................... 15  
Mechanical Data ............................................................ 16  
Safety and Installation Instructions ................................ 17  
Description of Options.................................................... 19  
Accessories.................................................................... 25  
Summary.......................................................................... 1  
Type Survey and Key Data .............................................. 2  
Type Key .......................................................................... 3  
Functional Description...................................................... 4  
Electrical Input Data ......................................................... 5  
Electrical Output Data ...................................................... 7  
Auxiliary Functions ......................................................... 10  
Edition 01/01.2001  
1/25  

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