Input: -36Vdc to -75Vdc; Output: 48Vdc @ 2500W; 3.3Vdc or 5 Vdc @ 1A
Features
3 front panel LEDs: 1-input;2-output; 3 - fault
Output programmable from 43.2 – 56Vdc
Remote ON/OFF control of the 48Vdc output
Remote sense (up to 0.25V) on the 48Vdc output
No minimum load requirements
Redundant parallel operation
Active load sharing (single wire)
Efficiency: typically 91%
Standby orderable either as 3.3Vdc or 5Vdc
Auto recoverable OC & OT protection
Operating temperature: -10 - 70C
(de-rated above 50C)
Digital status & control: I
2
C and PMBus serial bus
EN/IEC/UL60950-1 2
nd
edition; UL, CSA and VDE
EMI: class B FCC docket 20780 part 15, EN55022
Meets EN6100 immunity and transient standards
Shock & vibration: NEBS GR-63-CORE, level 3
Applications
48Vdc distributed power architectures
Cellular Base Stations
Satellite Hubs
Network Equipment
Network Attached Storage
Telecom Access Nodes
Routers/Switches/ATE Equipment
Description
The CAR2548DC series of DC-DC Converters provide highly efficient isolated power from DC input mains in a
compact 1U industry standard form factor in an unprecedented power density of 27W/in
3
. These converters
complement the CAR2548FP rectifier providing comprehensive solutions for systems connected either to commercial
ac mains, 48/60Vdc power plants or telecom central offices. This plug and play approach offers significant
advantages since systems can be reconfigured and repositioned readily by simply replacing the power supply. The
high-density, front-to-back airflow is designed for minimal space utilization and is highly expandable for future
growth. The industry standard PMBus compliant I
2
C communications buss offers a full range of control and
monitoring capabilities. The SMBusAlert signal pin alerts customers automatically of any state change within the
power supply.
*
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UL is a registered trademark of Underwriters Laboratories, Inc.
CSA is a registered trademark of Canadian Standards Association.
VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
Intended for integration into end-user equipment. All the required procedures for CE marking of end-user equipment should be followed. (The CE mark is placed on selected products.)
ISO is a registered trademark of the International Organization of Standards.
PMBus name and logo are registered trademarks of the System Management Interface Forum (SMIF)
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