24IMS15 データシートの表示（PDF） - Bel Fuse Inc.

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24IMS15

15 Watt DC-DC Converters

Bel Fuse Inc. 

IMX15, IMY15, IMS15 Series Data Sheet

15 Watt DC-DC Converters

40.6

1.6"

10.5

0.42"

51

2.0"

Features

• RoHS lead-free-solder and lead-solder-exempted

products are available.

• Wide input voltage ranges up to 150 VDC

• 1 or 2 isolated outputs up to 48 V

• 1500 to 3000 VAC I/O voltage withstand test

• Emissions EN 55022 level A

• Immunity to IEC/EN 61000-4-2,-3,-4,-5, and -6

• Fire&smoke as per EN 45545

• High efficiency (typ. 86%)

• Input undervoltage lockout

• Shutdown input, adjustable output voltages

• Flex power: Flexible load distribution on outputs

• Outputs no-load, overload, and short-circuit proof

• Operating ambient temperature –40 to 85 °C

• Thermal protection

• 2" x 1.6" case with 10.5 mm profile

• Supplementary insulation: 20/40IMX15 models, double

or reinforced insulation: 110IMY15 models

Safety-approved to IEC 60950-1 and UL/CSA 60950 -1

2nd Edition

Description

The IMX15, IMS15, and IMY15 Series of board mountable

15 Watt DC-DC converters have been designed according to

the latest industry requirements and standards. The converters

are particularly suitable for use in mobile or stationary

applications in transport, railways, industry, or telecommu-

nication, where variable input voltages or high transient

voltages are prevalent.

Covering a total input voltage range from 8.4 up to 150 V with

different models, the converters are available with single and

electrically-isolated double outputs from 3.3 up to 48 V,

externally adjustable, with flexible load distribution on double-

output models. A shutdown input allows for remote on/off.

Features include efficient input and output filtering and

consistently high efficiency over the entire input voltage range,

high reliability, and excellent dynamic response to load and line

changes.

The converters have been approved by CSA. 20IMS/20IMX15

and 40IMS/40IMX15 models provide supplementary insulation.

Connected to a secondary circuit, these models provide SELV

1

1 110IMY15

models

outputs, even if the bus voltage at the converter input exceeds

the SELV-limit of 60 VDC. The 110IMY15 models provide

double insulation and are CE marked. They may be connected

to a rectified 110 VAC source without any further isolation

barrier.

The circuitry is comprised of integrated planar magnetics. All

components are automatically assembled and solidly soldered

onto a single PCB without any wire connection. Magnetic

feedback ensures maximum reliability and repeatability in the

control loop over all operating conditions. Careful con-

sideration of possible thermal stress ensures the absence of

hot spots providing long life in environments, where

temperature cycles are frequent. The thermal design allows

operation at full load up to an ambient temperature of 71 °C in

free air without using any potting material. For extremely high

vibration environments the case has holes for screw mounting.

Table of Contents

Page

Description ............................................................................. 1

Model Selection ..................................................................... 2

Functional Description ........................................................... 4

Electrical Input Data ............................................................... 5

Electrical Output Data ............................................................ 8

Auxiliary Functions ............................................................... 13

Page

Electromagnetic Compatibility (EMC) .................................. 14

Immunity to Environmental Conditions ................................ 16

Mechanical Data .................................................................. 17

Safety and Installation Instructions ...................................... 18

Description of Options ......................................................... 19

Accessories .......................................................................... 19

Copyright © 2017, Bel Power Solutions Inc. All rights reserved.

BCD20008-G Rev AE, 25-Aug-2017

MELCHER

The Power Partners.

Page 1 of 19

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