DC048B010T010FP Datasheet, PDF (6/21 Pages) Vicor Corporation – 48 V Input DC-DC Converter Modules

1.5 Vout, 120 W OPERATING SPECIFICATIONS - (e.g. DC048B015T012FP)
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
83
87
%
Nominal input; full load; 25°C
100
125
mV
p-p; Nominal input; full load; 20 MHz bandwith
1.75
1.86
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
48,000
µF
External
0
80
Amps
86.4
92
104
Amps
Shut down, may require PC enable to initiate restart
0
1.0
40
Amps
Shut down, may require PC enable to initiate restart
Efficiency vs. Output Current
95
90
85
80
75
Vin
36 V
70
48 V
75 V
65
60
55
50
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Output Current (A)
Figure 3-1 – Efficiency vs. load
Power Dissipation vs. Output Current
20
18
16
14
Vin
12
36 V
48 V
10
75 V
8
6
4
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Output Current (A)
Figure 3-2 – Power dissipation vs. load
90
80
70
60
50
40
30
20
10
0
0
Ripple vs. Output Current
Vin
NL
20
40
60
80
Output Current (A)
Figure 3-3 – Output ripple vs. load with no external bypass capacitance
Figure 3-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 3-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 3-6 – 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. 1.1
Page 6 of 21