QM48T25050-NDC0 datasheet, PDF

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QM48T25050-NDC0: DescriptionDC-DC Regulated Power Supply Module, 1 Output, Hybrid, QUARTER-BRICK PACKAGE-8; CategoryPower/power management The power supply circuit; File Size334KB，13 Pages; ManufacturerBel Power Solutions

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QM48T25050-NDC0 Overview

DC-DC Regulated Power Supply Module, 1 Output, Hybrid, QUARTER-BRICK PACKAGE-8

QM48T25050-NDC0 Parametric

Parameter Name	Attribute value
Brand Name	Power-One
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Objectid	1992889533
Parts packaging code	MODULE
package instruction	,
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	REMOTE SHUTDOWN
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Certification	EN, IEC, UL
Efficiency (main output)	89.5%
high	10.72 mm
Maximum input voltage	75 V
Minimum input voltage	36 V
Nominal input voltage	48 V
JESD-30 code	R-XDMA-P8
JESD-609 code	e0
length	58.42 mm
Number of functions	1
Output times	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	25 A
Maximum output voltage	5.5 V
Minimum output voltage	4 V
Nominal output voltage	5 V
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Certification status	Not Qualified
surface mount	NO
technology	HYBRID
Terminal surface	TIN LEAD OVER NICKEL
Terminal form	PIN/PEG
Terminal location	DUAL
Fine-tuning/adjustable output	YES
width	36.83 mm

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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.

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.

Features

•

RoHS lead-free solder and lead-solder-exempted

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

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

High reliability: MTBF of 2.6 million hours,

calculated per Telcordia TR-332, Method

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

Applications

•

Telecommunications

Data communications

Wireless

Servers

V4.0 29-March-11

Page 1 of 13

www.power-one.com

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