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DETAILEDDESCRIPTION
PinFunctions
使能(en)
反馈(fb)
inputvoltage(在)
outputvoltage(输出)
ABSOLUTEMAXIMUMRATINGS
DISSIPATIONRATINGTABLE
tps75801,tps75815
tps75818,tps75825
TPS75833
SLVS330D–JUNE2001–REVISEDMARCH2004
thetps758xxfamilyincludesfourfixed-outputvoltageregulators(1.5v,1.8v,2.5v,and3.3v),andan
adjustableregulator,thetps75801(adjustablefrom1.22vto5v).thebandgapvoltageistypically1.22v.
theenterminalisaninputwhichenablesorshutsdownthedevice.ifenisalowvoltagelevel(<0.7v),这
devicewillbeinshutdownorsleepmode.whenengoestoahighvoltagelevel(>2v),thedevicewillbe
使能.
fbisaninputterminalusedfortheadjustable-outputoptionandmustbeconnectedtotheoutputterminaleither
直接地,inordertogeneratetheminimumoutputvoltageof1.22v,orthroughanexternalfeedbackresistor
dividerforotheroutputvoltages.thefbconnectionshouldbeasshortaspossible.itisessentialtorouteitin
suchawaytominimize/avoidnoisepickup.addingrcnetworksbetweenfbterminalandv
O
tofilternoiseis
notrecommendedbecauseitmaycausetheregulatortooscillate.
TheV
在
terminalisaninputtotheregulator.
TheV
输出
terminalisanoutputfromtheregulator.
overoperatingjunctiontemperaturerange(unlessotherwisenoted)
(1)(2)
单位
inputvoltagerange,v
I
-0.3vto6v
voltagerangeaten-0.3vto6v
PeakoutputcurrentInternallylimited
ContinuoustotalpowerdissipationSeeDissipationRatingTable
outputvoltage,v
O
(输出,fb)5.5v
operatingjunctiontemperaturerange,t
J
-40
°
Cto150
°
C
storagetemperaturerange,t
stg
-65
°
Cto150
°
C
esdrating,hbm2kv
esdrating,cdm500v
(1)stressesbeyondthoselistedunder
absolutemaximumratings
maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder
recommendedoperating
情况
isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)allvoltagevaluesarewithrespecttonetworkterminalground.
PACKAGER
Θ
JC
(
°
c/w)r
Θ
JA
(
°
c/w)
(1)
至-220258.7
(2)
至-263238.7
(3)
(1)forbothpackages,ther
Θ
JA
valueswerecomputedusingjedechighkboard(2s2p)with1ounceinternalcopperplaneandground
平面.therewasnoairflowacrossthepackages.
(2)r
Θ
JA
wascomputedassumingavertical,freestandingto-220packagewithpinssolderedtotheboard.thereisnoheatsinkattached
tothepackage.
(3)r
Θ
JA
wascomputedassumingahorizontallymountedto-263packagewithpinssolderedtotheboard.thereisnocopperpad
underneaththepackage.
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