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參數(shù)資料
| 型號(hào)： | SQE48T40025-NDB0 |
| 廠(chǎng)商： | POWER-ONE INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-8 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 764K |
| 代理商： | SQE48T40025-NDB0 |
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SQE48T40025 DC-DC Converter
36-75 VDC Input; 2.5 VDC @ 40 A Output
Preliminary Data Sheet
Applications
Telecommunications
Data communications
Wireless communications
Servers, workstations
Benefits
High efficiency – no heat sink required
Higher current capability at elevated temperatures
than competitors’ 40 A quarter-bricks
Extremely small footprint: 0.896” x 2.30” (2.06 in2),
38% smaller than conventional quarter-bricks
Features
RoHS lead-free solder and lead-solder-exempted
products are available
Delivers up to 40 A
Industry-standard quarter-brick pinout
On-board input differential LC-filter
Start-up into pre-biased load
No minimum load required
Weight: 0.88 oz [25.1 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
Low height of 0.374” (9.5mm)
Output voltage trim range: +10%/20% with
industry-standard trim equations
High reliability: MTBF = 15.4 million hours,
calculated per Telcordia SR-332, Method I Case 1
UL60950 recognized in US and Canada and
DEMKO certified per IEC/EN60950 (pending)
Designed to meet Class B conducted emissions per
FCC and EN55022 when used with external filter
All materials meet UL94, V-0 flammability rating
Description
The new high performance 40A SQE48T40025 DC-DC converter provides a high efficiency single output, in a
physical 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 SQE48T40025 converter
utilize the same pinout and functionality of the industry-standard quarter-bricks.
The SQE48T40025 converter provides thermal performance in high temperature environments that exceeds most
40A quarter-bricks in the market. 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 36-75V input, the SQE48T40025 converter provides a 2.5V 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 SQE48T40025 converter is a perfect drop-in replacement for existing
40A 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
SQE48T40025’s optimized thermal efficiency.
ZD-01723 Rev 1.1
www.power-one.com
Page 1 of 13
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