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V48A12H250B PDF预览

V48A12H250B

更新时间： 2024-11-12 22:41:31
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VICOR 转换器
页数 文件大小 规格书
8页 181K
描述
48Vin / 12Vout / 250Watts DC-DC Converter Module

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V48A12H250B 数据手册

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48Vin / 12Vout / 250Watts  
45  
• DC input range: 36 - 75V  
• Input surge withstand: 100V for 100ms  
• DC output: 12V  
DC-DC Converter Module  
*
Model Number V48B12C250B  
Features  
• Programmable output: 10 to 110%  
• Regulation: ±0.2%  
• Efficiency: 87%  
• Maximum operating temperature:  
100°C at full load  
• Power density: 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  
Shown actual size:  
2.28 x 2.2 x 0.5 in  
57,9 x 55,9 x 12,7 mm  
Product Overview  
This DC-DC converter module uses  
2nd 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 1st Generation converter.  
Absolute Maximum Ratings  
Parameter  
Rating  
-0.5 to +75  
100  
Unit  
Vdc  
Notes  
+In to –In voltage  
+In to –In voltage  
Vdc  
<100ms  
PC to –In voltage  
-0.5 to +7.0  
-0.5 to +7.0  
-0.5 to +16.1  
-0.5 to +16.1  
1.0  
Vdc  
PR to –In voltage  
Vdc  
+Out to –Out voltage  
+Sense to –Out voltage  
–Sense to –Out voltage  
SC to –Out voltage  
Vdc  
Vdc  
Vdc  
-0.5 to +1.5  
2000  
Vdc  
Isolation voltage (in to out)  
Isolation voltage (in to base)  
Isolation voltage (out to base)  
Storage temperature (C–Grade)  
Vrms  
Vrms  
Vrms  
°C  
1550  
500  
*
Part Numbering  
See part numbering chart on this  
page for other product grades.  
-40 to +125  
V 48 B 15 C 250 B  
Output  
Operating temperature (C–Grade) -20 to +100  
°C  
Baseplate  
Pin soldering temperature  
Pin soldering temperature  
Mounting torque  
500 (260)  
750 (390)  
5 (0.57)  
°F (°C)  
°F (°C)  
in-lbs (N-m)  
<5 sec; wave solder  
<7 sec; hand solder  
6 each, # 4-40 or M3  
Pin  
Style  
Output  
Power  
Input Voltage  
Voltage  
24=24Vin  
48=48Vin  
Base-  
plate  
Product Grade Temperatures (°C)  
300=300Vin  
375=375Vin  
Grade  
Storage  
Operating  
20 to +100  
40 to +100  
40 to +100  
55 to +100  
C
T
H
M
=
=
=
=
-
-
-
-
40 to +125  
40 to +125  
55 to +125  
65 to +125  
-
-
-
-
A = Maxi  
B = Mini  
C = Micro  
Thermal Resistance and Capacity  
For pin styles see page 6. 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  
Min  
Typ  
0.16  
0.14  
8.0  
Max  
Unit  
°C/Watt  
Baseplate to sink; flat, greased surface  
Baseplate to sink; thermal pad (P/N 20264)  
Baseplate to ambient  
°C/Watt  
°C/Watt  
Baseplate to ambient; 1000 LFM  
Thermal capacity  
1.9  
°C/Watt  
83  
Watt-sec/°C  
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715  
V48B12C250B DC-DC Converter  
Rev. 2  
Page 1 of 8  
Set your site on VICOR at www.vicorpower.com  
12345678

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