DC048B Datasheet, PDF (5/21 Pages) Vicor Corporation – 48 V Input DC-DC Converter Modules

1.0 Vout, 100 W OPERATING SPECIFICATIONS - (e.g. DC048B010T010FP)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output capacitance
Load current
Current limit (peak)
Short circuit current (avg)
Min
Typ
Max
Unit
Notes
82
85
%
Nominal input; full load; 25°C
100
138
mV
p-p; Nominal input; full load; 20 MHz bandwith
1.17
1.24
Volts
25°C; recycle input voltage to restart (1 minute off)
5.5
7.6
Watts
No load
±0.6
±1.5
%
No load to full load; nominal input, deviation from setpoint
108,000
µF
External
0
100
Amps
108
115
130
Amps
Shut down, may require PC enable to initiate restart
0
1.0
50
Amps
Shut down, may require PC enable to initiate restart
Efficiency vs. Output Current
90
85
80
Vin
75
36 V
48 V
75 V
70
65
60
10 20 30 40 50 60 70 80 90 100
Output Current (A)
Figure 2-1 – Efficiency vs. load
Power Dissipation vs. Output Current
25
Figure 2-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
20
15
Vin
36 V
48 V
10
75 V
5
0
10 20 30 40 50 60 70 80 90 100
Output Current (A)
Figure 2-2 – Power dissipation vs. load
Ripple vs. Output Current
120
Figure 2-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
100
80
60
Vin
NL
40
20
0
0
20
40
60
80
100
Output Current (A)
Figure 2-3 – Output ripple vs. load with no external bypass capacitance
Figure 2-6 – Output voltage ripple at nominal line and full load with no
external bypass capacitance.
VI Brick / 48V Input DC-DC Converter Modules
vicorpower.com
Rev. 1.0
Page 5 of 21