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1.1Introduction
Chapter1
SLVU286–January2009
TPS22921/22/22BLoadSwitchEvaluationModule(EVM)
Thisuser'sguidedescribestheTPS22921/22/22Bevaluationmodule(EVM).ThisguidecontainstheEVM
schematics,billofmaterials,assemblydrawings,andtopandbottomboardlayouts.
TheTPS22921/22/22BEVMisanevaluationmodulefortheTexasInstrumentsfamilyoflow-inputvoltage,
ultra-lowr
ON
loadswitches.ThisEVMoperatesovera0.9Vto3.6Vrangeandprovidesacontinuous
outputcurrentofupto≈110mA.Additionalopenresistorandcapacitorfootprintsallowfortheuseof
customer-selectedinputandoutputloadvalues.
TheTPS22921/22/22BEVMacceptsaYFP-6packagedloadswitchforanyofthree(3)possibledevices:
TPS22921,TPS22922,orTPS22922B.Theseswitcheshavealowthresholdenableinput,internally
controlledslewrate,andultra-lowquiescent/shutdowncurrent.TheTPS22922andTPS22922Balso
incorporatea120-Ωquickoutputdischargeresistorinternally.
Table2-1summarizestheavailableEVMoptions.
SLVU286–January2009TPS22921/22/22BLoadSwitchEvaluationModule(EVM)5
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