MODULE FAMILY ELECTRICAL CHARACTERISTICS (CONT.)
Output Specifications
Parameter
Output voltage setpoint
Line regulation
Temperature regulation
[a]
[a]
Min
Typ
2%
±0.5
±0.03
Max
±1
.05
Unit
Vout nom.
%
% / °C
Notes
Nominal input; full load; 25°C
Low line to high line; full load, deviation from setpoint
Over operating temperature range
For important information relative to applications where the converter modules are subject to continuous dynamic loading, contact Vicor applications engineering at 800-927-9474.
Control Specifications
Parameter
Primary Control (PC)
DC voltage
Module disable voltage
Module enable voltage
Disable hysteresis
Current limit
Disable delay time
4.8
2.3
5.0
2.4
2.5
100
1.75
1
1.90
2.6
5.2
Vdc
Vdc
Vdc
mV
mA
µs
Referenced to –In
Referenced to –In
Referenced to –In
Min
Typ
Max
Unit
Notes
Thermal Resistance and Capacity
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; thermal pad
Baseplate to ambient
Baseplate to ambient; 1000 LFM
Thermal capacity
Min
Typ
0.20
0.18
6.5
2.0
47.7
Max
Unit
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Watt-sec/°C
8
Thermal Impedance (°C/W)
7
6
5
4
3
2
1
0
0
200
400
600
800
1000
Air Velocity (LFM)
Figure 1
– Thermal impedance vs. airflow
VI Brick / 48V Input DC-DC Converter Modules
vicorpower.com
Rev. 1.0
Page 3 of 21
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