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QLS30 Series 鈥?30A Quarter-Brick DC/DC Converter

48V Input

1.8V, 1.5V, 1.2V Output

Data Sheet

Features

鈥?/div>

Cost-effective single board design

Low profile 鈥?11 mm height

Input/output isolation: 1500VDC, basic

insulation

High efficiency

Output back-drive protection

Start-up into high capacitive load

Low conducted and radiated EMI

Output overcurrent protection

Output overvoltage protection

Overtemperature protection

Remote sense

Set point accuracy

卤

1%

Remote on/off (primary referenced), positive

or negative logic

Output voltage trim adjust, positive or

negative

UL 1950 Recognition, CSA 22.2 No. 950-95

certification, TUV IEC950

Applications

鈥?/div>

Distributed power architectures

Telecommunications equipment

LAN/WAN applications

Data processing applications

Description

The new QLS30 series of single-output DC/DC converters features single board, multi-layer construction

and an SMT design that is highly reliable due to the low component count and minimal manufacturing touch

time. The QLS30 series uses fewer components than any other equivalently rated single board converter.

The converters can deliver a maximum of 30 Amps with a typical efficiency of 85%. The QLS provides

superior thermal performance, with minimal derating. The QLS30ZB model converter can deliver 22.8

amperes at 1.8 volt output in ambient conditions of 65掳C and 200 LFM. This full featured, low profile

converter offers input undervoltage lockout, overload, overvoltage and overtemperature protection. Interface

features include remote on/off, remote sense and output voltage trim.

Selection Chart

Model

Input

voltage

VDC

36-75

Input

current,

max

ADC

1.5

1.3

1.1

Output

voltage

Vout,

VDC

1.8

1.5

1.2

Output rated

current

I

rated,

ADC

30

Output

Ripple/Noise,

mV p-p

100

Typical

Efficiency

@ I

rated,

%

86

85

84

QLS30ZB

QLS30ZA

QLS30ZY

This product is intended for integration into end-use equipment. All the required procedures for CE marking of end-use equipment

should be followed

.

REV. 10/1

Page

1 of 8

制造商
Power-One

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QLS30ZA

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V Input 1...

QLS30ZA
QLS30ZA

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V ...

POWER-ONE ...

QLS30ZA
QLS30ZB

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V Input 1...

QLS30ZB
QLS30ZB

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V ...

POWER-ONE ...

QLS30ZB
QLS30ZY

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V Input 1...

QLS30ZY
QLS30ZY

英文版

QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V ...

POWER-ONE ...

QLS30ZY

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