PRELIMINARY
Specifications, continued
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and case temperature,
unless otherwise specified.
INPUT SPECIFICATIONS
Parameter
Min
Typ
Max
75
Unit
Vdc
Vdc
Notes
Operating input voltage
Input surge withstand
36
48
100
<100 ms
Undervoltage
Turn-on
Turn-off
35
33.8
36
Vdc
Vdc
32.6
76.0
Overvoltage
Turn-off
Turn-on
Vdc
Vdc
75.0
10
Input reflected ripple current
Input dV/dt
3
% Iin
V/µs
mA p-p (see Fig.3 for test circuit)
Turn-on time
Power up
ON/OFF enable
150
6
ms
ms
No load power dissipation
6.0
W
Recommended external
input capacitance
10
50
µF
200 nH maximum source inductance
OUTPUT SPECIFICATIONS
Parameter
Min
Typ
±1
Max
Unit
%
Notes
Output voltage accuracy
Current limit
48 V input; no load; 25°C
125
200
%
Average short circuit current
Efficiency
mA
Module dependent, see charts for individual models
Output OVP setpoint
Line regulation
120
0.1
%
%
Load regulation
0.1
%
Temperature regulation
Ripple and noise, p-p
±0.05
% / °C
Module dependent, see charts for individual models
Transient response
Voltage deviation
Recovery time
No load - full load step change, see note 1 below
2
75
%
µs
Note 1: For important information relative to applications where the unit is subjected to continuous dynamic loading, contact Vicor
Applications Engineering at 800-927-9474.
Vicor Corporation
Tel: 800-735-6200
vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 4 of 14
VICOR [ VICOR CORPORATION ]
