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| 型号： | QD48T025033-NBB0 |
| 厂商： | Power-One |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | CONV DC-DC 48V IN 3.3/2.5V DUAL |
| 标准包装： | 100 |
| 系列： | QD48 |
| 类型： | 隔离 |
| 输出数： | 2 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 2.5V |
| Voltage - Output 2： | 3.3V |
| 电流 - 输出（最大）： | 15A，15A |
| 电源（瓦） - 制造商系列： | 49W |
| 电压 - 隔离： | 2kV（2000V） |
| 安装类型： | 通孔 |
| 封装/外壳： | 7-DIP 模块，1/4 砖 |
| 尺寸/尺寸： | 2.30" L x 1.45" W x 0.34" H（58.4mm x 36.8mm x 8.6mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 88% |
| 电源（瓦特）- 最大： | 49.5W |
| 其它名称： | 179-2235 QD48T025033-NAA0 QD48T025033-NBBO |
QD48T025033 DC-DC Converter Data Sheet
36-75 VDC Input; 2.5 and 3.3VDC @ 15A Outputs
The QD48T025033 dual output through-hole mounted
DC-DC converter offers unprecedented performance in a
quarter-brick package by providing two independently
regulated high current outputs. This is accomplished by the
use of patent-pending circuit and packaging techniques to
achieve ultra-high efficiency, excellent thermal performance,
and a very low body profile.
In telecommunications applications the QD48 converters
provide up to 15 A per channel simultaneously – 30 A total –
with thermal performance far exceeding existing dual
quarter-bricks and comparable to dual half-bricks. Low body
profile and the preclusion of heat sinks minimize airflow
shadowing, thus enhancing cooling for downstream devices.
The use of 100% surface-mount technologies for assembly,
coupled with Power-One’s advanced electric and thermal
Features
QD48T025033 Converter
40
30
20
circuitry and packaging, results in a product with extremely
high quality and reliability.
100
90
80
70
60
50
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
10
0
20 30 40 50 60 70 80 90
Ambient Temperature [°C]
Fig. 1: Available output power vs. ambient air temperature and
airflow rates for QD48T025033 converter mounted vertically with air
flowing from pin 3 to pin 1, MOSFET temperature ≤ 120 ° C, Vin =
48 V and balanced load on both outputs (Iout1 = Iout2).
Applications
? Telecommunications
? Data communications
? Wireless
? Servers
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RoHS lead-free solder and lead-solder-exempted
products are available
Delivers up to 15 A simultaneously on 2.5 VDC and
3.3 VDC outputs
Can replace two single output quarter-bricks
Minimal cross-channel interference
High efficiency: 87.5% @ 2x15 A, 88% @ 2x7.5 A
Start-up into pre-biased output
No minimum load required
No heat sink required
Low profile: 0.28” [7.2 mm]
Low weight: 1 oz [28 g] typical
Industry-standard footprint: 1.45” x 2.30”
Industry-standard pinout
Meets Basic Insulation requirements of EN60950
Withstands 100 V input transient for 100 ms
On-board LC input filter
Fixed-frequency operation
Fully protected
Output voltage trim range: ± 10% for both outputs
Trim resistor via industry-standard equations
High reliability: MTBF 2.6 million hours, calculated per
Telcordia TR-332, Method I Case 1
Positive or negative logic ON/OFF option
UL 60950-1, CSA C22.2 60950-1-03, and certified per
IEC/EN 60950-1
Meets conducted emissions requirements of FCC
Class B and EN55022 Class B with external filter
All materials meet UL94, V-0 flammability rating
MCD10084 Rev. 1.0, 25-Sep-08
Page 1 of 15
www.power-one.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| QD48T025033-NBB0G | 制造商:Power-One 功能描述:DC/DC CONVERTER 2.5V 3.3V 87W |
| QD48T025033-NCA0G | 制造商:Power-One 功能描述:DC/DC, 1/4BRICK, 48V IN, DUAL 2.5V & 3.3V OUT, THROUGH HOLE - Bulk |
| QD48T025033-NCB0 | 制造商:Power-One 功能描述:DC/DC PS DUAL-OUT 2.5V/3.3V 15A - Bulk |
| QD48T025033-NCB0G | 制造商:Power-One 功能描述:DC/DC PS DUAL-OUT 2.5V/3.3V 15A - Bulk |
| QD48T025033-NCC0 | 制造商:Power-One 功能描述:DC/DC PS DUAL-OUT 2.5V/3.3V 15A - Bulk |
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