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ABSOLUTEMAXIMUMRATINGS
DISSIPATIONRATINGTABLE
(1)
RECOMMENDEDOPERATINGCONDITIONS
tps62220,tps62221,tps62222
tps62223,tps62224
tps62228,tps62229
SLVS491C–SEPTEMBER2003–REVISEDSEPTEMBER2004
thesedeviceshavelimitedbuilt-inesdprotection.theleadsshouldbeshortedtogetherorthedevice
placedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetothemosgates.
ORDERINGINFORMATION
(1)
T
一个
outputvoltagethin-sot23packagesymbol
AdjustableTPS62220DDCALN
1.5vtps62221ddcalo
1.6vtps62224ddcalq
-40
°
Cto85
°
c1.7vtps62229ddcej
1.8vtps62222ddcapp
1.875vtps62228ddceh
2.3vtps62223ddcalx
(1)theddcpackageisavailableintapeandreel.addrsuffix(tps62220ddcr)toorderquantitiesof3000parts.addtsuffix
(tps62220ddct)toorderquantitiesof250parts.
overoperatingfree-airtemperature(unlessotherwisenoted)
(1)
TPS6222xUNIT
V
I
Supplyvoltageonpin
(2)
-0.3to7.0v
voltagesonpinssw,en,fb
(2)
-0.3tov
I
+0.3v
P
D
ContinuouspowerdissipationSeeDissipationRatingTable
T
J
operatingjunctiontemperaturerange-40to150
°
C
T
stg
storagetemperature-65to150
°
C
leadtemperature(焊接,10sec)260
°
C
(1)stressesbeyondthoselistedunder"absolutemaximumratings”maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperating
conditions”isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)allvoltagevaluesarewithrespecttonetworkgroundterminal.
T
一个
≤
25
°
CDERATINGFACTORT
一个
=70
°
CT
一个
=85
°
C
包装
POWERRATINGABOVET
一个
=25
°
CPOWERRATINGPOWERRATING
ddc400mw4mw/
°
C220mW160mW
(1)thethermalresistancejunctiontoambientofthe5-pinthin-sot23is250
°
c/w.
MINNOMMAXUNIT
V
I
supplyvoltage2.56v
V
O
outputvoltagerangeforadjustableoutputvoltageversion0.7v
I
V
I
O
Outputcurrent400mA
LInductor
(1)
4.7µh
C
I
Inputcapacitor
(1)
4.7µf
T
一个
operatingambienttemperature-4085
°
C
T
J
operatingjunctiontemperature-40125
°
C
(1)seetheapplicationsectionforfurtherinformation
2
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