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參數資料
| 型號： | 48IMS25-05-9G |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/11頁 |
| 文件大小： | 225K |
| 代理商： | 48IMS25-05-9G |
Board Mountable
DC-DC Converters
IMS 25 Series
Edition 2/4.2000
1/11
25 Watt DC-DC Converters
IMS 25 Series
Wide input voltage ranges up to 75 V DC
Single output up to 15 V DC
1500 V DC I/O electric strength test voltage
Industry standard pin-out
Fixed frequency operation
High efficiency up to 91%
2"
× 1.6" platform with 8.5 mm profile without and
10.5 mm profile with case
Low output noise
Soft start
Shut down input, output voltages adjustable
Programmable input undervoltage lockout
Synchronisation
Outputs no-load, overload and short-circuit proof
Operating ambient temperature –40...71oC
Thermal protection with auto-reset (non latching)
Supplementary insulation
Emissions below EN 55022, level B
Immunity to IEC/EN 61000-4-2,-3,-4,-5 and -6
Table of Contents
Page
Summary ......................................................................... 1
Type Survey and Key Data ............................................. 2
Type Key ......................................................................... 2
Functional Description ..................................................... 2
Electrical Input Data ........................................................ 3
Electrical Ouput Data ...................................................... 4
Page
Auxiliary Functions .......................................................... 6
Electromagnetic Compatibility (EMC) ............................. 7
Immunity to Environmental Conditions ............................ 8
Mechanical Data ............................................................. 9
Safety and Installation Instructions ............................... 10
Description of Option ..................................................... 11
Summary
The IMS 25 series of board mountable 25 Watt DC-DC con-
verters has been designed according to the latest industry
requirements and standards. The converters are particu-
larly suitable for applications in industry and telecommuni-
cation where variable input voltages or high transient volt-
ages are prevalent.
Providing two wide input voltage ranges, 14...36 V DC and
32...75 V DC, the units are available with a single output
voltage from 1.8 V DC up to 16.5 V DC externally adjust-
able. A shut down input allows remote converter on/off.
Features include efficient input and output filtering with un-
surpassed transient and surge protection, low output ripple
and noise, consistently high efficiency over the entire input
voltage range, high reliability as well as excellent dynamic
response to load and line changes.
The converters provide supplementary insulation with
SELV outputs as e.g. required in battery supported systems
where the bus voltage may exceed the SELV limit of
60 V DC. They are designed and built according to the in-
ternational safety standards IEC/EN 60950, UL 1950, CAN/
CSA C22.2 No.950-95. Approvals pending.
The circuit comprises integrated planar magnetics and all
components are automatically assembled and soldered
onto a single PCB without any wire connections. The pro-
prietary magnetic feedback solution ensures maximum reli-
ability and repeatability in the control loop over all operating
conditions. Careful considerations of possible thermal
stresses ensure the absence of hot spots providing long life
in environments where temperature cycles are a reality. The
thermal design allows operation at full load up to an ambi-
ent temperature of 71
°C in free air without using any potting
material. For extremely high vibration environments the ca-
se has holes for screw mounting.
Safety according to IEC/EN 60950, UL 1950
Approvals pending
54.9
2.16"
54.9
2.16"
10.5
0.41"
50.8
2."
41.2
1.62"
8.2
0.32"
LGA
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