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QLS08ZH Data Sheet
100W Quarter-Brick Converter
Features
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RoHS lead solder exemption compliant
Cost-effective, single board design
Low profile – 11mm height
Input/output isolation: 1500VDC, Basic
insulation
High efficiency - 90% at full load
Start-up into high capacitive load
Low conducted and radiated EMI
Output overcurrent protection
Output overvoltage protection
Applications
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Back drive protection
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Distributed power architectures
Telecommunications equipment
LAN/WAN
Data processing
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Overtemperature protection
Remote sense
Set point accuracy ± 1%
Remote on/off (primary referenced), positive
or negative logic
Output voltage trim adjust ± 10%
UL 1950 Recognition, CSA 22.2 No. 950-95
certification, TUV IEC950
Description
The QLS08ZH is a new high-density, single-output dc-dc converter providing onboard conversion of standard
telecom and datacom input voltages into isolated low voltage outputs in a through-hole mounting package. High
efficiencies and a patent-pending board design significantly improve thermal characteristics by evening out hot
spots and enhance product reliability.
Selection
Model
Input
Voltage
VDC
Input
Current, Max
ADC
Output
Voltage
Vout,
Output Rated
Current
I rated,
Output
Ripple/Noise,
mV p-p
Typical
Efficiency @
I rated, %
VDC
ADC
QLS08ZH
36-75
4.8
12.0
8
150
90
NOTE: 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.
MCD10050 Rev. 1.0
Page 1 of 7
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