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參數(shù)資料
| 型號： | V48B5T400A3 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 400 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 175K |
| 代理商： | V48B5T400A3 |
Parameter
Min
Typ
Max
Unit
Notes
Operating input voltage
36
48
75
Vdc
Input surge withstand
100
Vdc
<100ms
Output voltage setpoint
±1%
Vout nom
Nominal input; full load; 25°C
Vicor Corporation Tel: 800-735-6200 978-470-2900 Fax: 978-475-6715
Page 2 of 8
Parameter
Min
Typ
Max
Unit
Notes
Line regulation
±0.02
±0.2
%
Low line to high line; full load
Temperature regulation
±0.002
±0.005
% / °C
Over operating temperature range
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.
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
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.
The latest data sheets for individual models are available on the Vicor website at www.vicr.com
MODULE OUTPUT VOLTAGE RELATED SPECIFICATIONS
Parameter
1.8V 1
2V
2.5V 2 3.3V
5V
12V
15V
24V
28V
48V
Unit
Notes
Efficiency (typ.)
73.7
74.0
76.6
80.2
83.0
85.7
87.0
88.0
88.5
89.5
%
Nominal input; 80% load; 25°C
Ripple and noise, p-p (typ.)
72
75
60
65
50
100
75
50
mV
Nominal input; full load;
25°C; 20MHz BW
Output Power (max.)
144
160
200
264
400
500
Watts
At 100°C baseplate temperature
Output OVP setpoint (nom.)
2.8
4.3
6.3
14.3
17.8
28.1
32.7
55.7
Volts
25°C; recycle input voltage to
restart ( 1 minute off )
Dissipation, standby (typ.)
5.0
6.8
7.3
6.8
6.6
5.5
7.0
7.6
Watts
No load; nominal input
Load regulation (max.)
0.3
0.2
±% Vout
No load to full load; nominal input
Current limit (typ.)
115
% Iout
Output voltage 95% of nominal
Short circuit current (typ.)
115
% Iout
Output voltage <250mV
1
Nominal 2V output trimmed to 1.8V by adding external 9,000 ohm resistor from the SC pin to -S pin. (See Fig. 7)
2
Nominal 3.3V output trimmed to 2.5V by adding external 3,125 ohm resistor from the SC pin to -S pin. (See Fig. 7)
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.
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