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參數資料
| 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： | 1/8頁 |
| 文件大小： | 175K |
| 代理商： | V48B5T400A3 |
Vicor Corporation Tel: 800-735-6200 978-470-2900 Fax: 978-475-6715
Page 1 of 8
Shown actual size:
4.6 x 2.2 x 0.5 in
117 x 56 x 12,7 mm
45
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Unit
Baseplate to sink; flat, greased surface
0.08
°C/Watt
Baseplate to sink; thermal pad (P/N 20263)
0.07
°C/Watt
Baseplate to ambient
4.9
°C/Watt
Baseplate to ambient; 1000 LFM
1.1
°C/Watt
Thermal capacity
165
Watt-sec/°C
Thermal Resistance and Capacity
Data Sheet
48V Input Maxi Family*
DC-DC Converter Module
Features
DC input range: 36 - 75V
Input surge withstand: 100V for 100ms
DC output: 2V - 48V
Programmable output: 10 to 110%
Regulation: ±0.2% no load to full load
Efficiency: Up to 91%
Maximum operating temperature:
100°C at full load
Power density: Up to 100W/cubic inch
Height above board: 0.43 in. (10,9 mm)
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
Typical Applications: telecommunications
and distributed power systems
Product Overview
This DC-DC converter module uses
second generation power processing, control
and packaging technologies to provide the
performance, flexibility and cost effectiveness
expected of a mature Power Component.
For example, a plated-cavity core transformer
couples widely separated primary and
secondary windings, resulting in low in-to-
out parasitic capacitance and noise.
High frequency ZCS/ZVS switching,
advanced power semiconductor packaging
and thermal management provide high
power density with low temperature
gradients. Extensive use of silicon
integration results in 1/3 the part count
of a first generation converter.
Part Numbering
For long pin configuration add “L” to the
end of the part number. 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”.
See page 7 for dimensions.
Parameter
Rating
Unit
Notes
+In to –In voltage
-0.5 to +75
Vdc
+In to –In voltage
100
Vdc
<100ms
PC to –In voltage
-0.5 to +7.0
Vdc
PR to –In voltage
-0.5 to +7.0
Vdc
SC to –Out voltage
-0.5 to +1.5
Vdc
–Sense to –Out voltage
1.0
Vdc
Isolation voltage (in to out)
3000
Vrms
Isolation voltage (in to base)
1550
Vrms
Isolation voltage (out to base)
500
Vrms
Storage temperature (C-Grade)
-40 to +125
°C
Operating temperature (C-Grade)
-20 to +100
°C
Baseplate
Pin soldering temperature
500 (260)
°F (°C)
<5 sec; wave solder
Pin soldering temperature
750 (390)
°F (°C)
<7 sec; hand solder
Mounting torque
5 (.57)
in-lbs (N-m)
6 each, # 4-40 or M3
The latest data sheets for individual models are available on the Vicor website at www.vicr.com
* The modules described here are the highest power for each output voltage.
Consult factory for availability of lower power units.
See part numbering chart on this
page for other product grades.
V 4 8 A 5 C 4 0 0 A
Input
Voltage
A = Maxi
B = Mini
C = Micro
Output
Power
Output
Voltage
Product Grade Temperatures (°C)
Grade
Storage
Operating
C
=
- 40 to +125
- 20 to +100
T
=
- 40 to +125
- 40 to +100
H
=
- 55 to +125
- 40 to +100
M
=
- 65 to +125
- 55 to +100
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