QLS25 데이터 시트보기 (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
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely effect long-
term reliability, and cause permanent damage to the converter.
Parameter
Input voltage
Operating Temperature
Storage Temperature
ON/OFF Control Voltage
Conditions/Description
Continuous
Transient, 100ms
PC Board Temperature
Referenced to -Vin
Min
Max
Units
75
VDC
100
VDC
-40
100
°C
-40
125
°C
50
VDC
Environmental and Mechanical Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Shock
Sinusoidal Vibration
Weight
Water Washing
MTBF
Conditions/Description
Halfsine wave, 3 axes
GR-63-Core, Section 5.4.2
Standard process
Per Bellcore TR-NWT-000332
Min
Nom
Max
Units
50
g
1
g
1.2/35
Oz/g
Yes
1,980
kHrs
Isolation Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Insulation Safety Rating
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Conditions/Description
Min
1500
10
1100
Nom
Basic
Max
Units
VDC
MOhm
pF
Input Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min Nom
Input Voltage
Continuous
36
48
Turn-On Input Voltage
Ramping Up
33
Turn-Off Input Voltage
Ramping Down
32
Turn-On Time
To Output Regulation Band
5
100% Resistive Load
Input Reflected Ripple Current Full Load, 12µH source inductance
Max
Units
75
VDC
VDC
VDC
10
mS
60
mA p-p
Inrush Transient
Vin=Vin.max
0.1
A2s
SEP 12, 2003 revised to OCT 26, 2006
Page 2 of 8
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