DC048B VICOR [Vicor Corporation], DC048B Datasheet - Page 13

• Manufacturer Part Number: DC048B
• Description: 48 V Input DC-DC Converter Modules
• Manufacturer: VICOR [Vicor Corporation]

12 Vout, 220 W OPERATING SPECIFICATIONS - (e.g. DC048B120T022FP)
Figure 10-1 – Efficiency vs. load
Figure 10-2 – Power dissipation vs. load
Figure 10-3 – Output ripple vs. load with no external bypass capacitance
VI Brick / 48V Input DC-DC Converter Modules
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output capacitance
Load current
Current limit (peak)
Short circuit current (avg)
200
180
160
140
120
100
80
60
40
20
24
22
20
18
16
14
12
10
95
90
85
80
75
70
65
8
6
4
0
0
0
0
1.83 3.66 5.49 7.32 9.15 10.98 12.81 14.64 16.47 18.3
Power Dissipation vs. Output Current
Efficiency vs. Output Current
Ripple vs. Output Current
5
5
Output Current (A)
Output Current (A)
Output Current (A)
10
10
19.80
14.0
Min
87
0
0
15
15
21.08
±0.6
160
Typ
5.5
1.0
92
20
20
14.85
18.33
23.83
Max
±1.5
9.17
200
750
7.6
Vin
Vin
Vin
36 V
48 V
75 V
36 V
48 V
75 V
NL
vicorpower.com
Watts
Amps
Amps
Amps
Unit
Volts
mV
%
%
µF
Figure 10-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 10-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 10-6 – Output voltage ripple at nominal line and full load with no
external bypass capacitance.
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
Rev. 1.0
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