DRC
DGS
www.ti.com
特点
应用程序
描述
VBA
t
LBI
en
ADEN
VOUT
LBO
fb
比较
软件
地
c
我
n
10 f
L1
10 h
R3
c
o
U
t
22 f
c
c
1
10 pf
c
c
2
10 nf
右
c
100 k
6
9
1
8
4
2
3
10
5
7
关
开启
关
开启
vout = 3.3 v
低 蓄电池
w
arning
TPS61016
R1
R2
tps61010,tps61011
tps61012,tps61013
tps61014,tps61015,tps61016
SLVS314D–SEPTEMBER2000–REVISEDJUNE2005
高效率,1-celland2-cellboostconverters
Theconverteroutputvoltagecanbeadjustedfrom
1.5vtoamaximumof3.3v,byanexternalresistor
•
IntegratedSynchronousRectifierforHighest
divideror,isfixedinternallyonthechip.thedevices
powerconversionefficiency(>95%)
provideanoutputcurrentof200mAwithasupply
•
开始-upintofullloadwithsupplyvoltages
voltageofonly0.9v.theconverterstartsupintoa
aslowas0.9v,operatingdownto0.8v
fullloadwithasupplyvoltageofonly0.9vandstays
inoperationwithsupplyvoltagesdownto0.8v.
•
200-maoutputcurrentfrom0.9-vsupply
•
powersave-modeforimprovedefficiencyat
theconverterisbasedonafixedfrequency,电流
模式,脉冲-宽度-调制(pwm)controllerthat
LowOutputCurrents
goesautomaticallyintopowersavemodeatlight
•
AutodischargeAllowstoDischargeOutput
荷载.itusesabuilt-insynchronousrectifier,所以,否
CapacitorDuringShutdown
externalSchottkydiodeisrequiredandthesystem
•
DeviceQuiescentCurrentLessThan50
µ
一个
efficiencyisimproved.thecurrentthroughtheswitch
islimitedtoamaximumvalueof1300ma.这
•
轻松-的-usethroughisolationofloadfrom
convertercanbedisabledtominimizebatterydrain.
BatteryDuringShutdownofConverter
duringshutdown,theloadiscompletelyisolatedfrom
•
IntegratedAntiringingSwitchAcrossInductor
thebattery.
•
IntegratedLowBatteryComparator
Anautodischargefunctionallowsdischargingthe
•
微型-small10-pinmsopor3mmx3mm
outputcapacitorduringshutdownmode.thisis
QFNPackage
especiallyusefulwhenamicrocontrollerormemoryis
提供的,whereresidualvoltageacrosstheoutput
•
evmavailable(tps6101xevm-157)
capacitorcancausemalfunctionoftheapplications.
whenprogrammingtheaden-管脚,theautodischarge
functioncanbedisabled.alow-emimodeisim-
•
allsingle-ordual-cellbatteryoperatedprod-
plementedtoreduceinterferenceandradiatedelec-
uctslikeinternetaudioplayers,pager,港口-
tromagneticenergywhentheconverterentersthe
ablemedicaldiagnosticequipment,远程
discontinuousconductionmode.thedeviceispack-
控制,wirelessheadsets
agedinthemicro-smallspacesaving10-pinmsop
包装.thetps61010isalsoavailableina3mm
x3mm10-pinqfnpackage.
TheTPS6101xdevicesareboostconvertersintended
forsystemsthataretypicallyoperatedfromasingle-
ordual-cellnickel-cadmium(nicd),镍-metalhy-
dride(nimh),oralkalinebattery.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2000–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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