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SQE48T30033-PGB0G

Description
isolated DC/DC converters
Categorysemiconductor    Power management   
File Size502KB,29 Pages
ManufacturerPower-One (bel)
Websitehttps://belfuse.com/
Environmental Compliance  
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SQE48T30033-PGB0G Overview

isolated DC/DC converters

SQE48T30 DC-DC Series Data Sheet
36-75 VDC Input; 1.2-3.3 VDC @ 30 A Output
Features
RoHS lead-free solder and lead-solder-exempted
products are available
Delivers up to 30 A
Industry-standard quarter-brick pinout
Outputs available: 3.3, 2.5, 1.8, 1.5, and 1.2 VDC
On-board input differential LC-filter
Start-up into pre-biased load
No minimum load required
Weight: 0.72 oz [20.6 g]
Meets Basic Insulation requirements of EN60950
Withstands 100 V input transient for 100 ms
Fixed-frequency operation
Fully protected
Remote output sense
Positive or negative logic ON/OFF option
Latching and non-latching protection available
Output voltage trim range: +10%/−20% with
industry-standard trim equations (except 1.2 Vout)
High reliability: MTBF = 15.75 million hours,
calculated per Telcordia TR-332, Method
I
Case 1
UL60950 recognized in US and Canada and certified
per IEC/EN60950
Designed to meet Class B conducted emissions per
FCC and EN55022 when used with external filter
All materials meet UL94, V-0 flammability rating
Applications
Telecommunications
Data communications
Wireless communications
Servers, workstations
Benefits
High efficiency – no heat sink required
Higher current capability at elevated temperatures
than competitors’ 30 A quarter-bricks
th
Industry standard 1/8 brick footprint: 0.896” x
2
2.30” (2.06 in ), 38% smaller than conventional
quarter-bricks
Description
The high temperature 30A SQE48 Series of DC-DC converters provides a high efficiency single output, in a 1/8
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 SQE48T30 converters utilize the
same pinout and functionality of the industry-standard quarter-bricks.
th
The 30 A SQE48 Series converters provide thermal performance in high temperature environments that exceeds
most competitors' 30A quarter-bricks. This 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 36-75 V input, the SQE48T30 converters provide any standard output voltage from 3.3 V down
to 1.2 V that can be trimmed from –20% to +10% of the nominal output voltage (±10% for output voltage 1.2 V),
thus providing outstanding design flexibility.
With standard pinout and trim equations, the SQE48 Series converters are perfect drop-in replacements for
existing 30 A 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
SQE48 Series’ optimized thermal efficiency.
ZD-01961 Rev. 2.1, 17-Mar-11
www.power-one.com
Page 1 of 29

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Description isolated DC/DC converters isolated DC/DC converters isolated DC/DC converters 54w 1.8vout 30a 36-75vin isolated DC/DC converters 99w 3.3vout 30a 36-75vin isolated DC/DC converters 36-75vin 30adc 1.8V isolated DC/DC converters 36-75vin 30adc 2.5V isolated DC/DC converters isolated DC/DC converters 36-75vin 30adc 3.3V
Manufacture - Power-One Power-One Power-One Power-One Power-One - -
Product Category - Isolated DC/DC Converters Isolated DC/DC Converters Isolated DC/DC Converters Isolated DC/DC Converters Isolated DC/DC Converters - -
RoHS - Yes Yes Yes In Transiti In Transiti - -
Produc - Isolated Isolated Isolated Isolated Isolated - -
Input Voltage Range - 36 V to 75 V 36 V to 75 V 36 V to 75 V 36 V to 75 V 36 V to 75 V - -
Input Voltage-nominal - 48 V 48 V 48 V 48 V 48 V - -
Number of Outputs - 1 1 1 1 1 - -
Output Voltage-Channel 1 - 1.8 V 1.8 V 3.3 V 1.8 V 2.5 V - -
Output Current-Channel 1 - 30 A 30 A 30 A 30 A 30 A - -
Isolation Voltage - 2.25 kV 2.25 kV 2.25 kV 2.25 kV 2.25 kV - -
Mounting Style - Through Hole Through Hole Through Hole Through Hole Through Hole - -
Package / Case Size - Eighth Brick Eighth Brick Eighth Brick Eighth Brick Eighth Brick - -
Factory Pack Quantity - 100 100 100 250 250 - -
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