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V48B48C250A Datasheet(PDF) 2 Page - Vicor Corporation

Part No. V48B48C250A
Description  48Vin / 48Vout / 250Watts DC-DC Converter Module
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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V48B48C250A Datasheet(HTML) 2 Page - Vicor Corporation

   
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
V48B48C250A DC-DC Converter
Rev. 5.2
Page 2 of 8
Set your site on VICOR at www.vicorpower.com
Parameter
Min
Typ
Max
Unit
Notes
Operating input voltage
36
48
75
Vdc
Input surge withstand
100
Vdc
<100ms
Output voltage setpoint
47.37
48.00
48.62
Vdc
Nominal input; full load; 25°C
Output OVP setpoint
53.7
55.7
57.7
Vdc
25°C; recycle input voltage to restart ( 1 minute off )
Output power
250
Watts
At 100°C baseplate temperature
Efficiency
88.5
89.5
%
Nominal input; 75% of full load; 25°C
Parameter
Min
Typ
Max
Unit
Notes
Line regulation
±0.02
±0.30
%
Low line to high line; full load
Load regulation
±0.06
±0.80
%
No load to full load; nominal input
Temperature regulation
±0.002
±0.005
% / °C
Over operating temperature range
Ripple and noise, p-p
150
188
mV
Nominal input; full load; 20 MHz bandwidth
Current limit
5.31
5.99
7.29
Amps
Output voltage 95% of nominal
Short circuit current
2.08
5.99
7.29
Amps
Output voltage <250mV
Power sharing accuracy
±2
±5
%
10 to 100% of full load
Programming range
10
110
%
Of nominal output voltage. For trimming below 90%
of nominal, a minimum load of 10% of maximum
rated power may be required.
MODULE OPERATING SPECIFICATIONS
MODULE INPUT SPECIFICATIONS
MODULE OUTPUT SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,
unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.
Baseplate
Slotted (Style 1)
Slotted baseplate (style 1) requires no designator.
For threaded baseplate add a "2" to the end of the
part number. For thru-hole add a "3".
Pin style
Short (Style 1)
For long pin configuration add “L” to the end of the
part number. See page 7 for pin dimensions.
MODULE MECHANICAL SPECIFICATIONS
Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading,
contact Vicor applications engineering at 800-927-9474.
Parameter
Min
Typ
Max
Unit
Notes
Undervoltage turn-on
34.9
35.7
Vdc
Undervoltage turn-off
29.4
30.5
Vdc
Overvoltage turn-off/on
75.7
78.8
82.5
Vdc
Dissipation, standby
3.9
5.8
Watts
No load


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