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FEATURESDESCRIPTION
应用程序
COMPGND
VIN
en
入点
VREF
fb
出点
ps_地
软件
PowerPAD
C4
VIN
VOUT
C2
R2
R3
D1
L1 C5
C6
TPS63700
R1
C1
0.22
f
22
f
4.7
h
0.1
f
10
f
2.7 v 至 5.5 v
4.7 nf
−5 v
TPS63700
SLVS530–SEPTEMBER2005
直流-dcinverter
•
AdjustableOutputVoltageDownto–15V
thetps63700isaninvertingdc-dcconvertergener-
atinganegativeoutputvoltagedownto–15Vwith
•
2.7-vto5.5-vinputvoltagerange
outputcurrentsupto360-ma,dependingonin-
•
upto360-maoutputcurrent
put-voltagetooutput-voltageratio.withatotalef-
•
1000-matypicalswitchcurrentlimit
ficiencyupto84%,thedeviceisidealforportable
•
Upto84%Efficiency
蓄电池-poweredequipment.theinputvoltagerange
of2.7-vto5.5-vallowsthetps63700tobedirectly
•
typical1.4-mhzfixed-frequencypwm
poweredfromali-ionbattery,from3-cellnimh/nicd,
操作
froma3.3-vor5-vsupplyrail.thetps63700comes
•
ThermalShutdown
inasmall3-mmx3-mmson-10package.进一步-
更多,thehighswitchingfrequencyoftypically1.4
•
Typical–19VOutputOvervoltageProtection
mhzallowstheuseofsmallexternalcomponents.
•
1.5-
µ
AShutdownCurrent
这个,andthesmallpackagemakeasmallpower
•
small3-mmx3-mmson-10package(drc)
supplysolutionpossible.
theinverteroperateswithafixed-frequencypwm
controltopology.thedevicehasaninternalcurrent
•
GenericNegativeVoltageSupply
限制,overvoltageprotection,andathermalshutdown
•
小-至-mediumsizeoleddisplays
forhighestreliabilityunderfaultconditions.
•
pdas,pocketpcs,smartphones
•
BiasSupply
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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