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HBO80A-48-2.5 参数 Datasheet PDF下载

HBO80A-48-2.5图片预览
型号: HBO80A-48-2.5
PDF下载: 下载PDF文件 查看货源
内容描述: 48VIN 2.5Vout 80A [48Vin 2.5Vout 80A]
分类和应用:
文件页数/大小: 8 页 / 291 K
品牌: BTCPOWER [ BROADBAND TELCOM POWER, INC. ]
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TM  
Prelim. Specification  
HBO80A-48-2.5  
BTCPower  
48Vin 2.5Vout 80A  
Application information  
Input Source Impedance  
The unit has been designed to be stable with no  
external capacitors when used in a low  
inductance input and output circuit.  
If the input source is non-SELV ( ELV or a  
hazardous voltage greater than 60 Vdc and less  
than or equal to 75 Vdc), for the unit output to be  
considered meeting the requirements of safety  
extra low voltage (SELV), all of the following must  
be met:  
However in many applications, the inductance  
with the distribution from the power source to the  
input of the unit can affect the stability of the unit.  
The addition of 100uF electrolytic capacitor with  
an Esr < 1W (at 100khz) across the input can  
ensure the stability of the unit. Also in many  
applications, the user has to use decoupling  
capacitors at the output load, to ensure the hold  
up time for the load.  
·
The input source is to be provided with  
reinforced insulation from any hazardous  
voltage, including the ac main.  
·
·
The input pins of the unit are not operator  
accessible.  
Safety Requirements and Considerations  
For whole system, for safety agencies  
requirements, and for the combination of  
the unit’s input side (primary side) and the  
unit’s output side (secondary side), verify  
that under a single fault, hazardous  
voltages do not appear at the unit’s output  
side (secondary side).  
The unit meets the American and International  
safety regulatory requirement UL1950. Basic  
insulation is also provided between the input side  
and the output side.  
To meet safety agencies requirements, an input  
line fuse must be used external to the unit. An  
15A fuse or less with a normal blow rate must be  
used to meet the safety agencies requirements. A  
minimum 42LFM airflow should also be provided  
if the unit is intended to operate at full power  
without heatsink.  
·
Never ground either of the input pins of  
the unit without grounding one of the  
output pins. This may allow a non-SELV  
voltage to appear between the output pin  
and ground.  
Worldwide Headquarter:  
European Headquarter:  
Broadband TelCom Power, Inc.  
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.  
Tel.: 714-259-4888 Fax: 714-259-0840  
Email: sales@btcpower.com  
Broadband TelCom Power Europe B. V.  
Dukaatstraat 14, 4879AD Etten-Leur, The Netherlands  
Tel.: 31-76-5038350 Fax: 31-76-5012038  
Email: info.europe@btcpower.com  
www.btcpower.com  
Broadband TelCom Power, Inc. 1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.  
P 8 of 8  
Tel.: 714-259-4888 • Fax: 714-259-0840 • www.btcpower.com • Email: sales@btcpower.com • PS HBO80A-48-2.5 Rev1.2 12-8-03  
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