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DC048B Datasheet(PDF) 11 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) 11 Page - Vicor Corporation

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VI Brick / 48V Input DC-DC Converter Modules
vicorpower.com
Rev. 1.0
Page 11 of 21
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
88
91
%
Nominal input; full load; 25°C
Ripple and noise
130
165
mV
p-p; Nominal input; full load; 20 MHz bandwith
Output OVP setpoint
7.0
7.43
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
3,000
µF
External
Load current
0
36
Amps
Current limit (peak)
38.88
41.4
46.8
Amps
Shut down, may require PC enable to initiate restart
Short circuit current (avg)
0
1.0
18.0
Amps
Shut down, may require PC enable to initiate restart
5.0 Vout, 180 W OPERATING SPECIFICATIONS - (e.g. DC048B050T018FP)
Power Dissipation vs. Output Current
Output Current (A)
36 V
48 V
75 V
Vin
4
6
8
10
12
14
16
18
20
22
0
3.6
7.2
10.8
14.4
18
21.6
25.2
28.8
32.4
36
Efficiency vs. Output Current
Output Current (A)
36 V
48 V
75 V
Vin
65
70
75
80
85
90
95
0
3.6
7.2
10.8 14.4
18
21.6 25.2 28.8 32.4
36
NL
Vin
Ripple vs. Output Current
Output Current (A)
0
20
40
60
80
100
120
140
160
0
10
203040
Figure 8-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 8-1 – Efficiency vs. load
Figure 8-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
Figure 8-2 – Power dissipation vs. load
Figure 8-3 – Output ripple vs. load with no external bypass capacitance
Figure 8-6 – Output voltage ripple at nominal line and full load with no
external bypass capacitance.


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