MQME-28E-P
Current: 20A
Technical Specification
RTCA/DO-160EꢀSECTIONꢀ22ꢀCOMPLIANCEꢀMATRIX
(LIGHTNINGꢀINDUCEDꢀTRANSIENTꢀSUSCEPTIBILITY)
TheꢀfollowingꢀtableꢀshowsꢀtheꢀRTCA/DO-160ꢀSectionꢀ22ꢀrequirementsꢀthatꢀhaveꢀbeenꢀmet*ꢀbyꢀaꢀstand-aloneꢀsetupꢀcomprisedꢀof:
- MQME-28E-Pꢀ(orꢀ–T)ꢀFilter
ꢀꢀꢀ-ꢀMQFL-28-05SꢀDC/DCꢀConverter
ꢀꢀꢀ-ꢀResistiveꢀLoad
ꢀꢀꢀ-ꢀMetalꢀChassisꢀPlane
ꢀꢀꢀ-ꢀUnshieldedꢀPowerꢀCableꢀBundle
*ꢀRequirementꢀisꢀdeemedꢀtoꢀhaveꢀbeenꢀmetꢀasꢀlongꢀasꢀtransientꢀdeviationsꢀinꢀtheꢀconverter’sꢀoutputꢀvoltageꢀremainꢀwithinꢀ±10%ꢀofꢀitsꢀ
initial value.
†ꢀForꢀtheseꢀwaveformsꢀatꢀLevelꢀ3ꢀandꢀabove,ꢀanꢀexternalꢀtransientꢀsuppressorꢀofꢀsufficientꢀenergyꢀratingꢀmustꢀplacedꢀacrossꢀtheꢀfilter’sꢀ
inputꢀpinsꢀtoꢀkeepꢀtheꢀdifferentialꢀtransientꢀinputꢀvoltageꢀbelowꢀ+200V/-50V.ꢀNegativeꢀpolarityꢀwaveformsꢀmayꢀcauseꢀpowerꢀflowꢀtoꢀtheꢀ
converter to be interrupted long enough to cause a graceful shutdown and restart of the converter. Also, the reverse voltage protection
featureꢀofꢀtheꢀ-Tꢀfilterꢀisꢀrequiredꢀtoꢀprotectꢀtheꢀconverterꢀ(butꢀnotꢀtheꢀfilter)ꢀfromꢀnegativeꢀpolarityꢀwaveform.
**ꢀForꢀthisꢀwaveformꢀatꢀaꢀLevelꢀ4ꢀandꢀabove,ꢀexternalꢀtransientꢀsuppressorsꢀofꢀsufficientꢀenergyꢀratingꢀmustꢀbeꢀaddedꢀbetweenꢀtheꢀ
filter’s input power pins and its case to keep the common-mode transient input voltage below +800V.
Product # MQME-28E-P
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005135 Rev. A
03/18/09
Page 8
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