Datasheet > QM48T20050-NCA0G

QM48T20050-NCA0G

更新时间： 2023-06-15 00:00:00

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
15页	471K
描述
DC-DC Regulated Power Supply Module, 1 Output, Hybrid

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QM48T20050-NCA0G 数据手册

Q48T20050 and Q48S20050

Data Sheet

36-75 Vdc Input, 20 A, 5.0 Vdc Output

The Q48T20050 through-hole and Q48S20050 surface

mounted DC/DC converters offer unprecedented perform-

ance in the industry-standard quarter brick format. This is

accomplished through the use of patent pending circuit and

packaging techniques to achieve ultra-high efficiency, excel-

lent thermal performance and a very low body profile.

In telecommunications applications theQFamily 20 A con-

verters provide thermal performance that exceeds competing

quarter bricks with a higher nominal rating. Low body profile

and the preclusion of heatsinks minimize airflow shadowing,

thus enhancing cooling for downstream devices. The use of

100% surface-mount technologies for assembly, coupled

with di/dt’s advanced electric and thermal circuitry and pack-

aging, results in a product with extremely high quality and

reliability.

Q48T20050 and Q48S20050 Converters

Features

•

Delivers up to 20 A

High efficiency: 86% @ 20 A, 88% @ 10 A

Starts-up into pre-biased output

No minimum load required

No heatsink required

Lowest profile in industry: 0.28” [7.2 mm] TH ver-

sion, 0.26” [6.6 mm] SMT version

Lowest weight in industry: 1 oz [28 g] typical

Industry-standard footprint: 1.45” x 2.30”

Industry-standard pinout (TH version)

Meets Basic Insulation Requirements of EN60950

Withstands 100 V input transient for 100 ms

On-board LC input filter

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)

•

Ambient Temperature [°C]

Fixed frequency operation

Fig. 1: Available load current vs. ambient air temperature and air-

flow rates for Q48T20050 converter with D height pins mounted

vertically with air flowing from pin 3 to pin 1, MOSFET temperature

≤ 120°C, Vin = 48 V.

Fully protected

Remote output sense

Output voltage trim range: +10%/-20%

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 recognized in U.S. & Canada, and DEMKO

certified per IEC/EN 60950

Applications

•

Telecommunications

Datacommunications

Wireless

•

Meets conducted emissions requirements of FCC

Class B and EN55022 Class B with external filter

All materials meet UL94, V-0 flammability rating

Servers

Q48x20050 FDS Ver 3 11-07-03

USA Toll Free 866 WOW-didt

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