QLS25 Ver la hoja de datos (PDF) - Power-One Inc.
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QLS25 Datasheet PDF : 8 Pages
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QLS25 DC-DC Series Data Sheet
25A Quarter-Brick
Output Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise noted.
Parameter
Output Voltage Setpoint Accuracy
Output Current*
Line Regulation
Load Regulation
Total output voltage regulation
Remote Sense Headroom
Dynamic Regulation
Peak Deviation
Settling Time
Admissible Load Capacitance
Output Current Limit Threshold**
Switching Frequency
Overvoltage Protection,
Non Latching
Trim Range
Conditions/Description
Vin=Vin.nom, Full Load
See selection chart for Irated
Vin.min to Vin.max, Irated
Vin=Vin.nom, 10% to 100%Irated
Over all input voltage, load, and
temperature conditions
50-75% load step change
to 1% error band
Irated, Nom Vin
Vout≤0.97Vout.nom
Over all input voltage and load
conditions
Irated, Vin=Vnom
Min
-1
10
-2
20,000
110
120
90
Nom
270
Max
1
100
0.2
0.2
2
0.5
5
150
140
140
110
Units
%Vout
%Irated
%Vout
%Vout
%Vout
VDC
%Vout
μs
μF
%Irated
kHz
%Vout
%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
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
Overtemperature
Protection
Conditions/Description
Min
On/Off signal is low – converter is ON
-1.0
ON/OFF pin is connected to -Vin
3.5
ON/OFF pin is floating
On/Off signal is low–converter is OFF
3.5
ON/OFF pin is floating
-1.0
ON/OFF pin is connected to -Vin
Average board temperature
Nom
105
Max Units
1.8
VDC
1
mADC
50
VDC
5
VDC
50
VDC
5
VDC
1.8
VDC
1
mADC
°C
SEP 12, 2003 revised to OCT 26, 2006
Page 3 of 8
www.power-one.com
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