1.0 Vout, 100 W OPERATING SPECIFICATIONS - (e.g. DC048B010T010FP)
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
82
85
%
mV
Nominal input; full load; 25°C
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
100
138
1.24
7.6
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
1.17
Volts
Watts
%
5.5
0.6
1.5
No load to full load; nominal input, deviation from setpoint
External
Output capacitance
Load current
108,000
100
µF
0
108
0
Amps
Amps
Amps
Current limit (peak)
Short circuit current (avg)
115
1.0
130
Shut down, may require PC enable to initiate restart
Shut down, may require PC enable to initiate restart
50
Efficiency vs. Output Current
90
85
80
75
70
65
60
Vin
36 V
48 V
75 V
10
20
30
40
50
60
70
80
90
100
Output Current (A)
Figure 2-1 – Efficiency vs. load
Power Dissipation vs. Output Current
Figure 2-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass
capacitance
25
20
15
10
5
Vin
36 V
48 V
75 V
0
10
20
30
40
50
60
70
80
90 100
Output Current (A)
Figure 2-2 – Power dissipation vs. load
Ripple vs. Output Current
Figure 2-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass
capacitance
120
100
80
60
40
20
0
Vin
NL
0
20
40
60
80
100
Output Current (A)
Figure 2-3 – Output ripple vs. load with no external bypass capacitance
Figure 2-6 – 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 5 of 21
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