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QM48T/S25050 DC-DC Converter Data Sheet
36-75 VDC Input; 5 VDC @ 25 A Quarter-Brick
The QM Series of high current single output dc-dc
converters sets new standards for thermal performance
and power density in the quarter-brick package.
The QM48T/S25050 converters of the QM Series provide
thermal performance in high temperature environments
that is comparable to or exceeds the industry’s leading 5 V
half-bricks. This is accomplished through the use of patent
pending circuit, packaging and processing techniques to
achieve ultra-high
efficiency, excellent thermal
management, and a very 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 electric
and thermal design, results in a product with extremely
high reliability.
Features
? RoHS lead-free solder and lead-solder-exempted
Operating from a 36-75 V input, the QM Series converters
provide outputs that can be trimmed from –20% to +10%
of the nominal output voltage, thus providing outstanding
design flexibility.
Applications
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products are available
Delivers up to 25 A @ 5.0 V
Industry-standard quarter brick pinout
On-board input differential LC-filter
High efficiency – no heat sink required
Start-up into pre-biased output
No minimum load required
Available in through-hole and surface-mount packages
Low profile: 0.28” [7.1 mm] SMT version,
0.31” [7.9 mm] TH version
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Telecommunications
Data communications
Wireless
Servers
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Low weight: 1.1 oz [31.5 g] typical
Meets Basic Insulation requirements of EN60950
Withstands 100 V input transient for 100 ms
Fixed-frequency operation
Fully protected
Remote output sense
Output voltage trim range: +10%/ ?20% with
industry-standard trim equations
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High reliability: MTBF of 2.6 million hours,
calculated per Telcordia TR-332, Method I Case 1
Positive or negative logic ON/OFF option
UL60950 recognized in US and Canada and
DEMKO certified per IEC/EN60950
Meets conducted emissions requirements of FCC
Class B and EN 55022 Class B with external filter
All materials meet UL94, V-0 flammability rating
V4.0 29-March-11
Page 1 of 13
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相关代理商/技术参数
QM48T25050-NDA0G 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QM48T25050-NDAP 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A 8PIN QUARTER-BRICK - Bulk
QM48T25050-NDAPG 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A - Bulk
QM48T25050-NDB0 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QM48T25050-NDB0G 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QM48T25050-NDBP 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A 8PIN QUARTER-BRICK - Bulk
QM48T25050-NDBPG 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A - Bulk
QM48T25050-NDC0 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: