PQ55540HTL05

更新时间： 2024-11-18 06:04:55

品牌	Logo	应用领域
SYNQOR		转换器
页数	文件大小	规格书
13页	604K
描述
Half-brick DC/DC Converter

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中文翻译

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数据手册

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PQ55540HTL05 数据手册

Technical

Specification

PQ55540HTL05

38-55V

54V

Output

275W

Power

2250Vdc

Isolation

Half-brick

DC/DC Converter

Input

The PQ55540HTL05 PowerQor^®^®Tera half-brick converter is

a next-generation, board-mountable, isolated, fixed switch-

ing frequency DC/DC converter that uses synchronous recti-

fication 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 appli-

cation effort. The Tera series converters offer the maximum

useable output power for a standard “half-brick” module.

The 54V Tera units are designed to be used primarily in

Power over Ethernet (PoE) applications. RoHS Compliant (see

page 12).

Operational Features

PQ55540HTL05 Module

• Ultra-high efficiency, 93% at full rated load current

• Delivers up to 275 Watts of output power with mini-

mal derating - no heatsink required

• Input voltage range: 38V – 55V suitable for 48V bus

applications

Protection Features

• Input under-voltage lockout disables converter at low

input voltage conditions

• Fixed frequency switching provides predictable EMI

• Output current limit and short circuit shutdown protects

performance

converter and load from permanent damage

• Active back bias limit prevents damage to converter

from external load induced pre-bias

• Output over-voltage protection

• Thermal shutdown

Mechanical Features

• Industry standard half-brick pin-out configuration

• Industry standard size: 2.3” x 2.4” (58.4 x 61.0mm)

• Total height only 0.34” (8.7mm), permits better airflow

and smaller card pitch

• Total weight: 2.6 oz. (75 grams)

Safety Features

• 2250V, 30 MΩ input-to-output isolation

• UL/cUL 60950-1 recognized (US & Canada), basic

insulation rating

• TUV certified to EN60950-1

Control Features

• On/Off control referenced to input side (positive and

negative logic options are available)

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

• Meets UL94V-0 flammability requirements

• Remote sense for the output voltage compensates for

output distribution drops

• Output voltage trim permits custom voltages and voltage

margining

Product # PQ55540HTL05

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2HT554F Rev. A

04/20/06

Page 1

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中文翻译

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