DC048B015T012TP datasheet(8/21 Pages) VICOR

8 / 21 page

VI Brick / 48V Input DC-DC Converter Modules

vicorpower.com

Rev. 1.0

Page 8 of 21

Parameter

Min

Typ

Max

Unit

Notes

Efficiency

Nominal input; full load; 25°C

Ripple and noise

p-p; Nominal input; full load; 20 MHz bandwith

Output OVP setpoint

3.5

3.71

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

12,000

µF

External

Load current

Amps

Current limit (peak)

75.6

80.5

Amps

Shut down, may require PC enable to initiate restart

Short circuit current (avg)

1.0

Amps

Shut down, may require PC enable to initiate restart

2.5 Vout, 175 W OPERATING SPECIFICATIONS - (e.g. DC048B025T017FP)

Power Dissipation vs. Output Current

Output Current (A)

36 V

48 V

75 V

Vin

Efficiency vs. Output Current

Output Current (A)

36 V

48 V

75 V

Vin

Ripple vs. Output Current

Output Current (A)

20304050

6070

Figure 5-4 – Transient response 100 – 50%, 3 x 4.7 µF ceramic bypass

capacitance

Figure 5-1 – Efficiency vs. load

Figure 5-5 – Transient response 50 – 100%, 3 x 4.7 µF ceramic bypass

capacitance

Figure 5-2 – Power dissipation vs. load

Figure 5-3 – Output ripple vs. load with no external bypass capacitance

Figure 5-6 – Output voltage ripple at nominal line and full load with no

external bypass capacitance.

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