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QLS30ZB Datasheet(PDF) 3 Page - Power-One

Part No. QLS30ZB
Description  QLS30 Series . 30A Quarter-Brick DC/DC Converter 48V Input 1.8V, 1.5V, 1.2V Output
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Maker  POWER-ONE [Power-One]
Homepage  http://www.power-one.com
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QLS30ZB Datasheet(HTML) 3 Page - Power-One

   
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QLS30 Series – 30A Quarter-Brick DC/DC Converter
48V Input
Data Sheet
1.8V, 1.5V, 1.2V Output
REV. 10/1
Page 3 of 8
Output Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Voltage Setpoint Accuracy
Vin=Vin.nom, Full Load
-1
1
%Vout
Output Current*
See selection chart for Irated
10
100
%Irated
Line Regulation
Vin.min to Vin.max, Irated
0.2
%Vout
Load Regulation
Vin=Vin.nom, 10% to
100%Irated
0.2
%Vout
Total output voltage regulation
Over all input voltage, load,
and temperature conditions
-2
2
%Vout
Remote Sense Headroom
0.5
VDC
Dynamic Regulation
Peak Deviation
Settling Time
50-75% load step change
to 1% error band
6
500
%Vout
µS
Admissible Load Capacitance
Irated, Nom Vin
20,000
µF
Output Current Limit Threshold**
Vout=0.97Vout.nom
110
140
%Irated
Switching Frequency
300
kHz
Overvoltage Protection,
Non Latching
Over all input voltage and
load conditions
120
140
%Vout
Trim Range
Irated, Vin=Vnom
90
110
%Vout
* At Iout<Iout.min, the output may contain low frequency component that exceeds ripple specifications.
** Overcurrent protection is non-latching with auto recovery.
Feature Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Shutdown (ON/OFF)
Negative Logic
Converter ON
Source Current
Converter OFF
Open Circuit Voltage
Positive Logic
Converter ON
Open Circuit Voltage
Converter OFF
Source Current
On/Off signal is low – converter is ON
ON/OFF pin is connected to -Vin
ON/OFF pin is floating
On/Off signal is low –converter is OFF
ON/OFF pin is floating
ON/OFF pin is connected to -Vin
-1.0
3.5
3.5
-1.0
2.1
2.5
2.0
1.8
150
5
50
5
1.8
1
VDC
mADC
VDC
VDC
VDC
VDC
VDC
mADC
Overtemperature
Protection
Average Board Temperature
105
°C


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