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D048C018T014M2N 参数 Datasheet PDF下载

D048C018T014M2N图片预览
型号: D048C018T014M2N
PDF下载: 下载PDF文件 查看货源
内容描述: DC-DC转换器的1/4砖, 48 Vin的家庭 [DC-DC Converters Quarter Brick, 48 Vin Family]
分类和应用: 转换器电源电路输出元件DC-DC转换器
文件页数/大小: 14 页 / 440 K
品牌: VICOR [ VICOR CORPORATION ]
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PRELIMINARY  
Pin/Control Functions  
+IN / –IN — DC Voltage Input Pins  
+OUT / OUT — DC Voltage Output Pins  
The VICBrick DC-DC Converter input voltage range should  
not be exceeded. The VICBrick’s internal under/over voltage  
lockout-function prevents operation outside of the normal input  
range. The VICBrick turns ON within an input voltage window  
bounded by the "Input under-voltage turn-on" and "Input over-  
voltage turn-off" levels, as specified. The module may be  
protected against accidental application of a reverse input  
voltage by the addition of a rectifier in series with the positive  
input, or a reverse rectifier in shunt with the positive input  
located on the load side of the input fuse.  
The 0.060" diameter + and – output pins are rated for a  
maximum current of 50 A. Two sets of pins are provided for all  
units with a current rating over 50 A. These pins must be  
connected in parallel with minimal interconnect resistance.  
Output impedance  
The very low output impedance of the VICBrick reduces  
or eliminates the need for limited life aluminum electrolytic  
or tantalum capacitors at the input of the non-isolated  
point-of-load converters.  
Input impedance  
+SENSE / –SENSE — Remote Sense Pins  
Vicor recommends a minimum of 10 µF bypass capacitance be  
used on-board across the +IN and –IN pins. The type of  
capacitor used should have a low Q with some inherent ESR  
such as an electrolytic capacitor. If ceramic capacitance is  
required for space or MTBF purposes, it should be damped with  
approximately 0.3 series resistance.  
Remote sense minimizes the effects of distributiion losses by  
regulating the voltage at the remote sense connections.  
The DC resistance of the source should be kept as low as possible.  
ON/OFF PIN  
The ON/OFF pin provides the following Enable/Disable  
functionality:  
Standard "M" configuration — If the ON/OFF pin is left  
floating, the module output is disabled. Once this port is pulled  
lower than 0.7 Vdc with respect to –IN, the output is enabled.  
This action can be realized by employing a relay, opto-coupler  
or open collector transistor. This pin should not be toggled at a rate  
higher than 1 Hz.  
Optional "P" configuration — This is the reverse function  
from above: when the ON/OFF pin is left floating, the module  
output is enabled. Once this port is pulled lower than 1.7 Vdc with  
respect to –IN, the output is disabled.  
If not using the ON/OFF pin function, perform one of the  
following to turn the converter on:  
For M configuration, short ON/OFF pin to –IN.  
For P configuration, leave ON/OFF pin open.  
Vicor Corporation  
Tel: 800-735-6200  
vicorpower.com  
VICBrick DC-DC Converter  
Rev. 1.5  
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