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FEATURESAPPLICATIONS
描述
V
POS
V
NEG
Q1 L1
D1
C1
4.7
F
U1
C2
4.7
F
C3
0.1
F
VPOS
FBP
VREF
FBN
VNEG
OUTN
CP
CN
PGND
INP
BSW
INN
VIN
ENP
PSP
ENN
PSN
地
TPS65130
R1
R2
C4
22
F
R4
R3
D2
C8
0.22
F
L2
4.7
H
C5
22
F
C7
C6
R7
4.7
H
tps65130,tps65131
SLVS493B–MARCH2004–REVISEDSEPTEMBER2004
positiveandnegativeoutputdc-dcconverter
•
SmalltoMediumSizeOLEDDisplays
•
DualAdjustableOutputVoltagesUpto+15V
andDownto–15V
•
(tft)lcdandccdbiassupply
•
pdas,pocketpcs,smartphones
•
800-matypicalswitchcurrentlimitatboost
andInverterMainSwitchesatTPS65130
•
DigitalCameras
•
Camcorders
•
2-atypicalswitchcurrentlimitatboostand
InverterMainSwitchesatTPS65131
•
Upto89%EfficiencyatPositiveOutput
VoltageRail
thetps65130/1isdual-outputdc-dcconvertergen-
eratingapositiveoutputvoltageupto15Vanda
•
Upto81%EfficiencyatNegativeOutput
negativeoutputvoltagedownto-15vwithoutput
VoltageRail
currentsina200-marangeintypicalapplications,
•
电源-savemodeforhighefficiencyatlow
dependingoninputvoltagetooutputvoltageratio.
LoadCurrents
withatotalefficiencyupto85%,thedeviceisideal
•
IndependentEnableInputsforPowerUpand
forportablebattery-poweredequipment.theinput
PowerDownSequencing
voltagerangeof2.7vto5.5vallowsthe
tps65130/1tobedirectlypoweredfromali-ion
•
ControlOutputforExternalPFETtoSupport
电池,from3cellsnimh/nicdoralkalinebatteries.
CompletelyDisconnectingtheBattery
thetps65130/1comesinasmall4mmx4mm
•
2.7-vto5.5-vinputvoltagerange
qfn-24package.togetherwithaminimumswitching
•
minimum1.25-mhzfixedfrequencypwm
frequencyof1.25mhzitenablesdesigningsmall
powersupplyapplicationsbecauseitrequiresonlya
运作
fewsmallexternalcomponents.
•
ThermalShutdown
•
OvervoltageProtectiononBothOutputs
•
1-µashutdowncurrent
•
small4mmx4mmqfn-24package(rge)
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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