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參數資料
| 型號： | LM2540-7ERV3F |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE M02, MODULE |
| 文件頁數： | 1/24頁 |
| 文件大小： | 982K |
| 代理商： | LM2540-7ERV3F |
Cassette Style
AC-DC Converters
M Series
Edition 5/5.2000
1/24
50 Watt AC-DC (DC-DC) Converters
M Series
Extremely wide input voltage range suitable for most
AC mains around the world
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
Table of Contents
Page
Summary .......................................................................... 1
Type Survey and Key Data .............................................. 2
Type Key .......................................................................... 3
Functional Description ...................................................... 4
Electrical Input Data ......................................................... 5
Electrical Output Data ...................................................... 6
Auxiliary Functions ........................................................... 9
Page
Electromagnetic Compatibility (EMC) ............................ 11
Immunity to Environmental Conditions ........................... 13
Mechanical Data ............................................................ 14
Safety and Installation Instructions ................................ 15
Description of Options .................................................... 18
Accessories .................................................................... 24
Summary
The M series of AC-DC (DC-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 Input. An input over- and under-
voltage lock-out circuitry disables the outputs if the input
voltage is outside the specified range. These types include
an inrush current limitation preventing circuit breakers and
fuses from being damaged at switch-on.
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.
LED indicators display the status of the converter and allow
visual monitoring of the system at any time.
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 agen-
cies LGA (Germany) and UL (USA). The UL Mark for
Canada has been officially recognized by 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.
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.
Various options are available to adapt the converters to in-
dividual applications.
The modules may either be plugged into 19" rack systems
according to DIN 41494, or be chassis mounted.
168
6.6"
39
1.54"
8TE
111
4.37"
3U
Input voltage range 85...264 V AC
1, 2 or 3 isolated outputs up to 48 V DC
3 kV AC I/O electric strength test voltage
LGA
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