QLS08ZH Data Sheet
100W Quarter-Brick Converter
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
Conditions/Description
Continuous
Transient, 100ms
PC Board Temperature
Min
-40
Max
75
100
110
Units
VDC
VDC
° C
Storage Temperature
ON/OFF Control Voltage
Referenced to -Vin
-40
125
50
° C
VDC
Environmental and Mechanical Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Shock
Sinusoidal Vibration
Conditions/Description
Halfsine wave, 3 axes
GR-63-Core, Section 5.4.2
Min
50
1
Nom
Max
Units
g
g
Weight
1.2/35
Oz/g
Water Washing
Standard process
Yes
MTBF
Per Bellcore TR-NWT-000332
1,980
kHrs
Isolation Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Insulation Safety Rating
Basic
Isolation Voltage
Isolation Resistance
Isolation Capacitance
1500
10
1100
VDC
MOhm
pF
Input Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Input Voltage
Turn-On Input Voltage
Turn-Off Input Voltage
Turn-On Time
Conditions/Description
Continuous
Ramping Up
Ramping Down
To Output Regulation Band
Min
36
Nom
48
33
32
5
Max
75
10
Units
VDC
VDC
VDC
ms
100% Resistive Load
Input Reflected Ripple
Full Load, 12μH source inductance
60
mA p-p
Current
Inrush Transient
MCD10050 Rev. 1.0
Vin=Vin.max
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