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SQE48T10120 DC-DC Converter
36-75 VDC Input; 12 VDC @ 10A Output
Data Sheet
Features
? RoHS lead-free solder and lead-solder-exempted
products are available
? Industry-standard quarter-brick pinout
? Delivers 120W at 93% efficiency
? Withstands 100V input transient for 100ms
? Fixed-frequency operation
? On-board input differential LC-filter
? Start-up into pre-biased load
? No minimum load required
? Output voltage trim range: +10%/ ?20% with
industry-standard trim equations
? Meets Basic Insulation requirements of EN60950
? Industry-standard 1/8 brick footprint: 0.896” x
2.30” (2.06 in ) - 38% smaller than conventional
Applications
? Intermediate Bus Architectures
? Data communications/processing
? LAN/WAN
? Servers, Workstations
Benefits
? High efficiency – no heat sink required
th
2
quarter-bricks
? Fully protected
? Remote output sense
? Positive or negative logic ON/OFF option
? Low height of 0.374” (9.5mm)
? Weight: 22.5g
? High reliability: MTBF =TBD million hours, calculated
per Telcordia SR-332, Method I Case 1
? UL/CSA60950-1, EN60950-1, and IEC60950-1
safety approved
? Designed to meet Class B conducted emissions per
FCC and EN55022 when used with external filter
? All materials meet UL94, V-0 flammability rating
The new high performance 10A SQE48T10120 DC-DC converter provides a high efficiency single output, in a 1/8
Description
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brick package that is only 62% the size of the industry-standard quarter-brick. Specifically designed for operation
in systems that have limited airflow and increased ambient temperatures, the SQE48T10120 converter utilize the
same pinout and functionality of the industry-standard quarter-bricks.
The SQE48T10120 converter thermal performance is accomplished through the use of patented/patent-pending
circuits, packaging, and processing techniques to achieve ultra-high efficiency, excellent thermal management,
and a low-body profile.
Low-body profile and the preclusion of heat sinks minimize impedance to system airflow, thus enhancing cooling
for both upstream and downstream devices. The use of 100% automation for assembly, coupled with advanced
electronic circuits and thermal design, results in a product with extremely high reliability.
Operating from a 36-75V input, the SQE48T10120 converter provides a 12V output voltage that can be trimmed
from –20% to +10% of the nominal output voltage, thus providing outstanding design flexibility.
With standard pinout and trim equations, the SQE48T10120 converter is a perfect drop-in replacement for existing
10A quarter-brick designs. Inclusion of this converter in a new design can result in significant board space and
cost savings. The designer can expect reliability improvement over other available converters because of the
SQE48T10120’s optimized thermal efficiency.
ZD-02075 Rev 1.1, 21-Jan-10
www.power-one.com
Page 1 of 13
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