PQ48050HMA25 datasheet, PDF - EEWORLD Datasheet

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PQ48050HMA25: Description1-OUTPUT DC-DC REG PWR SUPPLY MODULE; Categoryaccessories; File Size788KB，14 Pages; ManufacturerSYNQOR; Websitehttp://www.synqor.com/

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PQ48050HMA25 Overview

1-OUTPUT DC-DC REG PWR SUPPLY MODULE

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Technical Specification

Brick

Half

48Vin 5.0Vout 25A

25 Amp, No Heatsink, Isolated DC/DC Converter

The PQ48050HMA25 PowerQor

™

Mega converter

is a next-generation, board-mountable, isolated,

fixed switching frequency DC/DC converter that uses

synchronous rectification to achieve extremely high

conversion efficiency. The power dissipated by the

converter is so low that a heatsink is not required,

which saves cost, weight, height, and application effort.

The Mega series converters offer increased useable

output current for a standard “half-brick” module.

The Mega units also feature active current sharing

for N+1 and parallel applications.

PQ48050HMA25 Module

Operational Features

• Ultra-high efficiency, 90% at full rated load current

• Delivers up to 25 amps of output current with mini-

mal derating - no heatsink required

• Wide input voltage range: 35V – 75V meets or

exceeds all 48V bus standards

• Fixed frequency switching provides predictable EMI

performance

Protection Features

• Input under-voltage lockout and over-voltage

shutdown protects against abnormal input voltages

• Output current limit and short circuit protection

• Output over-voltage protection

• Thermal shutdown

Mechanical Features

• Industry standard pin-out configuration

• Industry standard size: 2.3” x 2.4”

• Total height only 0.40”, permits better airflow and

smaller card pitch

• Total weight: 1.9 oz. (54 grams)

Control Features

• On/Off control referenced to input side (positive

and negative logic options are available)

• Remote sense for the output voltage compensates

for output distribution drops

• Output voltage trim permits custom voltages and

voltage margining

(Full-Feature modules)

Active current share for N+1 and parallel applications

External Clock Synchronization pin for better EMI

characteristics

Startup Synchronization pin for more consistent start-

up sequence

ORing FET drive supply for efficient ORing protection

4/9/03

Page 1

Safety Features

• 2000V, 10 MΩ input-to-output isolation

• UL/cUL 60950 recognized (US & Canada), basic

insulation rating

• TUV certified to EN60950

• Meets 72/23/EEC and 93/68/EEC directives

• Meets UL94V-0 flammability requirements

Product # PQ48050HMA25

Phone 1-888-567-9596

Optional Features

•

Doc.# 005-2HM450B Rev. C

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