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QPI-5L Datasheet(PDF) 6 Page - Vicor Corporation

Part No. QPI-5L
Description  14 Amp Active EMI Filter for 24V DC Bus
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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 6 page
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Picor Corporation • www.picorpower.com
QPI-5L Data Sheet Rev. 2.0 Page 6 of 8
RY
C1
C2
C4
C3
Bottom Layer - Top View
Shield Plane
Thermal 1
Thermal 2
QPI Shield
Earth
CB
CIN
Top Layer - Top View
Thermal 1
Thermal 2
Converter Shield Plane
5mm (0.200")
5mm (0.200")
Recommended Component Clearance
(See note B)
See note A
*
*
*
*
*
Figure 9 – Recommended layout for top layer of PCB. Pattern shows optional pins (*) dependent on converter used in design.
(Actual size with half brick footprint)
Note A: Some converters may radiate energy past the QPI into the input bus degrading noise reduction of the filter. To minimize the
potential for this effect use a maximum feasible distance between the QPI and the converter in the layout. The input filter and any bulk
hold up capacitors should be placed in this area.
Note B: Hako de-soldering nozzle model no. A1137 and appropriated temperature controller can be used for removing and re-soldering
SiP packages. Clearance around the SiP is a keep out zone for components as noted by the dashed line to use this tool. Components taller
than 10mm (0.400") require 15mm (0.600") clearance from the SiP package edge.
Figure 10 – Recommended layout for bottom layer of PCB. Note location of RY.




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