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DQ2540-9R

Description
DC/DC convert dual 15v 7.4A
Categorysemiconductor    Power management   
File Size3MB,26 Pages
ManufacturerPower-One (bel)
Websitehttps://belfuse.com/
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DC/DC convert dual 15v 7.4A

DQ2540-9R Parametric

Parameter NameAttribute value
Datasheets
Q Series
Standard Package10
CategoryPower Supplies - External/Internal (Off-Board)
FamilyDC DC Converters
PackagingBulk
TypeIsolated
Voltage - Inpu43 ~ 108 V
Outpu15V, 15V
Number of Outputs2
Output - 1 @ Current (Max)15 VDC @ 7.4A
Output - 2 @ Current (Max)15 VDC @ 7.4A
Output - 3 @ Current (Max)-
Output - 4 @ Current (Max)-
Power (Watts)120W
Mounting TypeChassis Mou
Operating Temperature-40°C ~ 71°C
Efficiency90.5%
Package / CaseModule
Size / Dimensi6.73" L x 4.37" W x 0.78" H (171.0mm x 111.0mm x 19.8mm)
Power (Watts) - Max120W
ApprovalsCE, CSA, EN, IEC, TUV, UL
Associated Produc179-2549-ND - CONNECTOR SCREW TERM RA179-2448-ND - CONNECTOR FAST ON TERM
®
Q Series Data Sheet
66
132 Watt DC-DC Converters
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 from 3.3 to 48 V
• Class I equipment
• Extremely high efficiency of up to 90%
• Flexible output power
Excellent surge and transient protection
Outputs open and short -circuit proof
Redundant operation, current sharing
Extremely low inrush current, hot-swappable
Externally adjustable output voltage and inhibit
Electric strength test 2.1 kVDC
Extremly slim case (4 TE, 20 mm), fully enclosed
Railway standards EN 50155, 50121-3-2 observed
Telecoms-compatible input voltage range of 48Q
models according to ETS 300132-2 (38.4 to 75 VDC)
111
4.4"
3U
Safety-approved to IEC/EN 60950-1 and UL/CSA
60950-1 2
nd
Ed.
20
0.8"
4 TE
164
6.5"
Description
These extremely compact DC-DC converters incorporate all
necessary input and output filters, signaling and protection
features, which are required in the majority of applications.
The converters provide important advantages such as flexible
output power through primary current limitation, high
efficiency, excellent reliability, very low ripple and RFI noise
levels, full input to output isolation, negligible inrush current,
overtemperature protection, and input over-/undervoltage
lockout. The converter inputs are protected against surges
and transients occurring on the source lines.
The converters are particularly suitable for rugged
environments, such as railway applications. They have been
designed in accordance with the European railway standards
EN 50155 and EN 50121-3-2. All printed circuit boards are
coated with a protective lacquer.
The outputs are continuously open- and short-circuit proof. An
isolated output Power Good signal and LEDs at the front panel
indicate the status of the converter. Test sockets at the front
panel allow for a check of the main output voltage.
Full system flexibility and n+1 redundant operating mode are
possible due to virtually unrestricted series or parallel
connection capabilities of all outputs. In parallel connection of
several converters, automatic current sharing is provided by a
single-wire interconnection.
As a modular power supply or as part of a distributed power
supply system, the extremely low profile design significantly
reduces the necessary power supply volume without
sacrificing high reliability. A temperature sensor disables the
outputs, if the case temperature exceeds the limit. The outputs
are automatically re-enabled, when the temperature drops
below the limit.
The fully enclosed, black-coated aluminum case acts as a heat
sink and an RFI shield. The converters are designed for 19"
DIN-rack systems occupying 3 U / 4 TE only, but can also be
chassis-mounted by means of four screws. Fitting an
additional heat or ordering options with fitted heat sink is
possible as well.
Table of Contents
Page
Page
Electromagnetic Compatibility (EMC) ...............................
Immunity to Environmental Conditions .............................
Mechanical Data ...............................................................
Safety and Installation Instructions ...................................
Description of Options ......................................................
Accessories .......................................................................
19
21
22
23
24
26
Description .......................................................................... 1
Model Selection .................................................................. 2
Functional Description ........................................................ 5
Electrical Input Data ............................................................ 6
Electrical Output Data ......................................................... 8
Auxiliary Functions ............................................................ 16
BCD20011- G Rev AG, 12-Mar-2012
Page 1 of 26
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