IB048Q120T53N1-00
SPECIFICATIONS (CONT.)
All specifications valid at 48 V IN , 100% rated load and 25°C ambient, unless otherwise indicated.
Electrical Characteristics (Continued)
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
OUTPUT (Continued)
Line regulation (K factor)
Current share accuracy
V OUT = K ? V IN @ no load
Full power operation; See Parallel Operation
on page 11; up to 3 units
0.245
0.250
0.252
10
%
Efficiency
50% load
Full load
See Figure 1,2 and 3
See Figure 1,2 and 3
97.5
97.0
97.8
97.3
%
%
μ F
Internal output inductance
Internal output capacitance
Load capacitance
Output OVP set point
Output voltage ripple
Nominal load
Module will shutdown
20 MHz bandwidth, using test circuit in
Figure 23
0
15.0
1.6
75
60
3,000
16.0
150
nH
μF
Vdc
mVp-p
Of Iout max., will not shutdown when started
Output Overload protection threshold
into max Cout; and 15% load
105
150
%
Auto restart with duty cycle <10%
Over current protection time constant
Short circuit current response time
Switching frequency
1.0
1.2
1.5
ms
μs
MHz
5 V step in 1 μ S within Vin operating range
Transient Response
Voltage overshoot & undershoot
Response time
V IN step
Pre-bias voltage
25% load step; 1A / μ S; See Figures 11–14
See Figures 11–14
Unit will start up
into pre-bias voltage on output
0
1
100
1.25
15
mV
μS
V
Vdc
General Characteristics
Conditions: 25°C case, 75% rated load and specified input voltage range unless otherwise specified.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
MTBF
Service life
Calculated per Telcordia SR-332, 40°C
Calculated at 30°C
1.0
7
Mhrs
Years
M Ω
Over temperature shut down
Dielectric withstand
Insulation resistance
Mechanical
T J ; Converter will reset when over
temperature condition is removed
Input to output
Input to output
125
1,500
130
30
135
°C
Vdc
Weight
Length
Width
Height above customer
1.38 /39.1
2.30 /58.4
1.45 /36.8
0.41/10.5
oz/g
in/mm
in/mm
in/mm
Pin Solderability
Storage life for normal solderability
1
Years
Moisture Sensitivity Level
MSL
Not applicable, for wave soldering only
N/A
Clearance to customer board
Agency approvals
(pending for baseplate version)
From lowest component on IBC
UL/cUL 60950-1, EN60950-1, IEC60950-1
Low voltage directive (CE Mark)
0.12/0.30
in/mm
Altitude, operating
Relative humidity, Operating
Derate operating temp 1°C
per 1,000 feet above sea level
Non condensing
-500
10
10,000
90
Feet
%
RoHS compliance
Compatible with RoHS directive 2002/95/EC
IBC MODULE
Page 3 of 15
Rev 2.3
8/2013
vicorpower.com
800 735.6200
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