DC048B Datasheet, PDF (12/21 Pages) Vicor Corporation – 48 V Input DC-DC Converter Modules

10 Vout, 180 W OPERATING SPECIFICATIONS - (e.g. DC048B100T018FP)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output capacitance
Load current
Current limit (peak)
Short circuit current (avg)
Min
89
14.0
0
19.44
0
Typ
92
80
5.5
±0.6
20.7
1.0
Max
125
14.85
7.6
±1.5
750
18
23.4
9.0
Unit
%
mV
Volts
Watts
%
µF
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
No load to full load; nominal input, deviation from setpoint
External
Shut down, may require PC enable to initiate restart
Shut down, may require PC enable to initiate restart
Efficiency vs. Output Current
95
90
85
Vin
80
36 V
48 V
75 V
75
70
65
0
2
4
6
8 10 12 14 16 18
Output Current (A)
Figure 9-1 – 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 2 4 6 8 10 12 14 16 18 20
Output Current (A)
Figure 9-2 – Power dissipation vs. load
Ripple vs. Output Current
140
120
100
80
Vin
60
NL
40
20
0
0
5
10
15
20
Output Current (A)
Figure 9-3 – Output ripple vs. load with no external bypass capacitance
Figure 9-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 9-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 9-6 – 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 12 of 21