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DC048B Datasheet(PDF) 16 Page - Vicor Corporation

Part No. DC048B
Description  48 V Input DC-DC Converter Modules
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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DC048B Datasheet(HTML) 16 Page - Vicor Corporation

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VI Brick / 48V Input DC-DC Converter Modules
vicorpower.com
Rev. 1.0
Page 16 of 21
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
89
92
%
Nominal input; full load; 25°C
Ripple and noise
130
163
mV
p-p; Nominal input; full load; 20 MHz bandwith
Output OVP setpoint
37.33
39.6
Volts
25°C; recycle input voltage to restart (1 minute off)
Dissipation, standby
5.5
7.6
Watts
No load
Load regulation
±0.6
±1.5
%
No load to full load; nominal input, deviation from setpoint
Output capacitance
106
µF
External
Load current
0
6.79
Amps
Current limit (peak)
7.33
7.81
8.83
Amps
Shut down, may require PC enable to initiate restart
Short circuit current (avg)
0
10
3.40
Amps
Shut down, may require PC enable to initiate restart
28 Vout, 190 W OPERATING SPECIFICATIONS - (e.g. DC048B280T019FP)
Power Dissipation vs. Output Current
Output Current (A)
36 V
48 V
75 V
Vin
4
6
8
10
12
14
16
18
20
0
0.67
1.34 2.01
2.68
3.35 4.02
4.69
5.36 6.03
6.7
Efficiency vs. Output Current
Output Current (A)
36 V
48 V
75 V
Vin
65
70
75
80
85
90
95
0
0.67 1.34 2.01 2.68 3.35 4.02 4.69 5.36 6.03
6.7
NL
Vin
Ripple vs. Output Current
Output Current (A)
0
20
40
60
80
100
120
024
6
8
Figure 13-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 13-1 – Efficiency vs. load
Figure 13-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 13-2 – Power dissipation vs. load
Figure 13-3 – Output ripple vs. load with no external bypass capacitance
Figure 13-6 – Output voltage ripple at nominal line and full load with no
external bypass capacitance.


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