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QLS30 DC-DC Series Data Sheet
30A Quarter-Brick Converter
Features
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RoHS lead solder exemption compliant
Cost-effective single board design
Low profile – 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 ±1%
Applications
● Distributed power architectures
● Telecommunications equipment
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Remote on/off (primary referenced), positive or
negative logic
Output voltage trim adjust, positive or negative
UL1950 recognition, CSA 22.2 No. 950-95
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LAN/WAN
Data processing
certification, TUV IEC950
Description
The 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, and can deliver 22.8 amperes at 1.8 volt output in ambient conditions of 65°C and 200 LFM.
This full-featured, low-profile converter offers input undervoltage lockout, plus overload, overvoltage, and
overtemperature protection. Interface features include remote on/off, remote sense, and output voltage trim.
Model Selection
Model
QLS30ZB
QLS30ZA
QLS30ZY
Input
Voltage
VDC
36-75
36-75
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
30
30
Output
Ripple/Noise,
mV p-p
100
100
100
Typical
Efficiency @
I rated, %
86
85
84
This product is intended for integration into end-use equipment. All the required procedures for CE marking of end-use equipment
should be followed.
Model numbers highlighted in yellow or shaded are not recommended for new designs.
MCD10053 Rev. 1.0
Page 1 of 9
www.power-one.com
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相关代理商/技术参数
QLS30ZA-7 制造商:Power-One 功能描述:DCDC 30A 1/4BRICK CONVERTER - Bulk
QLS30ZA-N 制造商:Power-One 功能描述:- Bulk
QLS30ZA-NT 功能描述:DC/DC转换器 1.5V/30A NEG-LOGIC QUARTER BRICK CONVTR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QLS30ZA-NT8 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QLS30ZA-NT9 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QLS30ZB 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
QLS30ZB-N 制造商:Power-One 功能描述:- Bulk
QLS30ZB-NT 功能描述:DC/DC转换器 1.8V/30A NEG-LOGIC QUARTER BRICK CONVTR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: