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BQ55120QEX50 PDF预览

BQ55120QEX50

更新时间： 2024-02-04 22:20:30
品牌 Logo 应用领域
SYNQOR /
页数 文件大小 规格书
14页 1876K
描述
On/Off control referenced to input side

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BQ55120QEX50 数据手册

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Technical  
Specification  
BQ55120QEx50  
35-55V  
Continuous Input  
12.0V  
Output  
50A  
Max Current  
2000V dc  
Quarter-brick  
DC-DC Converter  
Isolation  
The BusQor BQ55120QEx50 bus converter is a next-  
generation, board-mountable, isolated, fixed switching  
frequencydc/dcconverterthatusessynchronousrectification  
to achieve extremely high conversion efficiency. The power  
dissipated by the converter is so low that a heatsink is not  
required, which saves cost, weight, height, and application  
effort. The BusQor series provides an isolated step down  
voltage from 48V to 12 or 9.6V intermediate bus with no  
regulation in a standard “quarter-brick” module. BusQor  
converters are ideal for creating the mid-bus voltage  
required to drive point-of-load (non-isolated) converters in  
intermediate bus architectures.  
Bus  
Converter  
BQ55120QEA50NRS-G  
Operational Features  
• High efficiency, 96.8 % at full rated load current at full load  
• Delivers full power with minimal derating - no heatsink required  
• Operating input voltage range: 35-55V dc  
Control Features  
• Fixed frequency switching provides predictable EMI  
• No minimum load requirement  
• On/Off control referenced to input side  
• Inherent current share (by droop method) for high current and  
parallel applications.  
Mechanical Features  
Safety Features  
UL 60950-1:2007  
• Industry standard size: 1.45” x 2.3” (36.8x58.4mm)  
• Total OF height: 0.467” (11.86mm)  
• Total open frame weight: 1.5 oz (42 g)  
• Total Baseplate height: 0.517" (13.13mm)  
• Total Baseplate weight: 2.7 oz (78 g)  
EN60950-1/A11:2009/A1:2010  
CAN/CSA-C22.2 No. 60950-1:2007  
IEC 61000-4-2  
Contents  
Page No.  
Protection Features  
• Input under-voltage lockout and over-voltage shutdown protects  
Open Frame Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
aseplated Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
lectrical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
tandards and Qualifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
echnical Figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
pplication Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
rdering Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
against abnormal input voltages  
• Output current limit and short circuit protection (auto recovery)  
• Output over-voltage protection  
• Thermal shutdown  
Product # BQ55120QEx50  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005571 Rev. F  
10/03/11  
Page 1  
1234567...14

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