E2S Series – Eighth-Brick DC/DC Converter
48V Input
Data Sheet
5.0V, 3.3V, 2.5V, 2.0V, 1.8V, 1.5V, 1.2V Output
REV. MAR 11, 2003
Page 2 of 10
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
Conditions/Description
Min
Max
Units
Input Voltage
Continuous
100 ms
75
100
VDC
Operating Temperature
Ambient
-40
85
C
Storage Temperature
-55
125
C
ON/OFF Control Voltage
Referenced to -Vin
20
VDC
Environmental and Mechanical Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Shock
Halfsine wave, 3 axes
50
g
Sinusoidal Vibration
GR-63-Core, Section 5.A.2
1
Weight
0.53 (15 )
Oz/g
Water Washing
Standard process
Yes
MTBF
Telcordia TR-332, Method I Case 1
2.6
MHrs
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
2000
VDC
Isolation Resistance
10
MOhm
Isolation Capacitance
160
pF
Input Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Input Voltage
Continuous
36
48
75
VDC
Turn-On Input Voltage
Ramping Up Vin= 36-75
33
35
VDC
Turn-Off Input Voltage
Ramping Down Vin = 36-75
31
33
VDC
Turn-On Time
To Output Regulation Band
100% Resistive Load
3
ms
Input Reflected Ripple Current
25MHz Bandwidth
6
mApk.pk
Inrush Transient
Vin=Vin.max
0.1
A
2s