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FBA48T25280-PCBQ

更新时间： 2024-02-18 04:31:28
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页数 文件大小 规格书
10页 695K
描述
DC-DC Regulated Power Supply Module, 1 Output, 700W, Hybrid, FULL BRICK PACKAGE-17

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FBA48T25280-PCBQ 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：MODULE
包装说明：,针数：17
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.92模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：75 V最小输入电压：36 V
标称输入电压：48 VJESD-30 代码：R-XDMA-T17
JESD-609代码：e3功能数量：1
输出次数：1端子数量：17
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电压：28.28 V最小输出电压：27.72 V
标称输出电压：28 V封装主体材料：UNSPECIFIED
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
表面贴装：NO技术：HYBRID
温度等级：INDUSTRIAL端子面层：TIN OVER NICKEL
端子形式：THROUGH-HOLE端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED最大总功率输出：700 W
微调/可调输出：YESBase Number Matches：1

FBA48T25280-PCBQ 数据手册

 浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第1页浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第2页浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第3页浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第5页浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第6页浏览型号FBA48T25280-PCBQ的Datasheet PDF文件第7页 
FBA48T25280 DC-DC Converter  
36-75 VDC Input; 28VDC @ 25A Output  
Preliminary Data Sheet  
Operations  
Input and Output Impedance  
These power converters have been designed to be  
stable with a minimum external output capacitor of  
220µF when used in low inductance input and output  
circuits. If the ambient temperature is lower than  
-20°C, then use 4 x 220uF to reduce ESR. Nichicon  
UPW1H221MPD or equivalent is recommended.  
In many applications, the inductance associated with  
the distribution from the power source to the input of  
the converter can affect the stability of the converter.  
It is recommended that 2 x 220µF with a voltage  
rating of 100VDC be used on the input of the  
FBA48T25280.  
Figure 2. ON/OFF Control Using Auxiliary Voltage  
Remote Sense (Pins 16 and 17)  
The remote sense feature of the converter  
compensates for voltage drops occurring between  
the output pins of the converter and the load. The  
SENSE(-) (Pin 16) and SENSE(+) (Pin 17) pins  
should be connected at the load or at the point  
where regulation is required.  
In applications where the user has to use decoupling  
capacitance at the load, the power converter will  
exhibit stable operation with the external load  
capacitance up to 10,000 µF.  
ON/OFF Control (Pins 1 and 2)  
The ON/OFF pins are used to turn the power  
converter on or off remotely via a system signal. The  
on/off control is a current driven control. It is isolated  
from both the primary and the secondary by  
1500VDC. The ON/OFF control turns the converter  
on when 1 to 5 mA of current flows from the  
ON/OFF+ pin to the ON/OFF- pin. The converter is  
off when no current or a small reverse current flows  
between the pins. Maximum reverse voltage shall  
not exceed 6VDC.  
Rw  
FBA48T25280  
VOUT+  
Vin (+)  
SENSE(+)  
Rload  
TRIM  
Vin  
SENSE (-)  
Vin (-)  
VOUT-  
Rw  
Figure 3. Remote sense circuit configuration.  
The ON/OFF control current can be generated from  
the primary or from the secondary as shown in the  
application schematics in Figure 1 and Figure 2.  
CAUTION  
If remote sensing is not utilized, the SENSE(-) pin must be  
connected to the Vout(-) pin, and the SENSE(+) pin must be  
connected to the Vout(+) pin to ensure the converter will  
regulate at the specified output voltage. If these connections  
are not made, the converter will deliver an output voltage that  
is higher than the specified data sheet value.  
Because the sense leads carry minimal current,  
large traces on the end-user board are not required.  
However, sense traces should be run side by side  
and located close to a ground plane to minimize  
system noise and ensure optimum performance.  
Vin -  
Vin +  
On/Off -  
On/Off +  
The converter’s output overvoltage protection (OVP)  
senses the voltage across VOUT+ and VOUT-, and  
not across the sense lines, so the resistance (and  
resulting voltage drop) between the output pins of  
the converter and the load should be minimized to  
prevent unwanted triggering of the OVP.  
Figure 1. ON/OFF Control Using Vin  
When utilizing the remote sense feature, care must  
be taken not to exceed the maximum allowable  
output power capability of the converter, which is  
equal to the product of the nominal output voltage  
ZD-02015 Rev 1.3  
www.power-one.com  
Page 4 of 10  
 
 
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