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ABSOLUTEMAXIMUMRATINGS
(1)
DISSIPATIONRATINGS
RECOMMENDEDOPERATINGCONDITIONS
TPS65020
SLVS607–SEPTEMBER2005
thesedeviceshavelimitedbuilt-inesdprotection.theleadsshouldbeshortedtogetherorthedevice
placedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetothemosgates.
ORDERINGINFORMATION
T
一个
PACKAGEPARTNUMBER
(1)
–40
°
Cto85
°
c40pinqfn(rha)tps65020rha
(1)therhapackageisavailableintapeandreel.addthersuffix(tps65020rhar)toorderquantitiesof2500partsperreel.addthet
后缀(tps65020rhat)toorderquantitiesof250partsperreel.
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
VALUEUNIT
V
I
inputvoltagerangeonallpinsexceptagndandpgndpinswithrespecttoagnd–0.3to7v
currentatvindcdc1,l1,pgnd1,vindcdc2,l2,pgnd2,vindcdc3,l3,pgnd32000ma
PeakCurrentatallotherpins1000mA
ContinuoustotalpowerdissipationSeeDissipationRatingTable
T
一个
operatingfree-airtemperature–40to85
°
C
T
J
Maximumjunctiontemperature125
°
C
T
stg
Storagetemperature–65to150
°
C
leadtemperature1,6mm(1/16-inch)fromcasefor10seconds260
°
C
(1)stressesbeyondthoselistedunder
absolutemaximumratings
maycausepermanentdamagetothedevice.thesearestressratings
onlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder
recommendedoperating
情况
isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability
T
一个
≤
25
°
CDERATINGFACTORT
一个
=70
°
CT
一个
=85
°
C
包装
POWERRATINGABOVET
一个
=25°CPOWERRATINGPOWERRATING
RHA
(1)(2)
2.85w28mw/
°
c1.57w1.4w
(1)thethermalresistancejunctiontoambientoftherhapackageis32
°
c/wmeasuredonahighkboard.
(2)thethermalresistancejunctiontocase(exposedpad)oftherhapackageis5
°
c/w
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MINNOMMAXUNIT
inputvoltagerangestep-downconvertors
V
CC
2.56v
(vindcdc1,vindcdc2,vindcdc3)
outputvoltagerangeforvdcdc1step-downconvertor
(1)
0.6vindcdc1
V
O
outputvoltagerangeforvdcdc2step-downconvertor
(1)
0.6vindcdc2v
outputvoltagerangeforvdcdc3(核心)步伐-downconvertor
(1)
0.6vindcdc3
V
I
inputvoltagerangeforldos(vinldo1,vinldo2)1.56.5v
V
O
outputvoltagerangeforldos(vldo1,vldo2)1vinldo1-2v
I
o(dcdc1)
OutputcurrentatL11200mA
InductoratL1
(2)
2.23.3
µ
H
C
i(dcdc1)
InputCapacitoratV
i(dcdc1)
(2)
10
µ
F
C
o(dcdc1)
OutputCapacitoratVDCDC1
(2)
1022
µ
F
I
o(dcdc2)
OutputcurrentatL21000mA
InductoratL2
(2)
2.23.3
µ
H
(1)whenusinganexternalresistordivideratdefdcdc3,defdcdc2,defdcdc1
(2)seeapplicationssectionformoreinformation.
2
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