www.德州仪器.com
TPS65100
TPS65105
SLVS496B–SEPTEMBER2003–REVISEDMARCH2004
deviceinformation(持续)
TerminalFunctions
终端
i/odescription
非.非.
名字
(pwp)(rge)
VIN47IInputvoltagepinofthedevice
enablepinofthedevice.thispinshouldbeterminatedandnotbeleftfloating.alogic
EN243I
highenablesthedeviceandalogiclowshutsdownthedevice.
comp221compensationpinforthemainboostconverter.asmallcapacitorisconnectedtothis
管脚.
positiveinputterminalofthevcombuffer.whenthevcombufferisnotused,这个
VCOMIN1114I
terminalcanbeconnectedtogndtoreducetheoverallquiescentcurrentoftheic.
enablepinofthelinearregulatorcontroller.thispinshouldbeterminatedandnotbe
enr232ileftfloating.logichighenablestheregulatorandalogiclowputstheregulatorin
关闭.
C1+1619Positiveterminalofthechargepumpflyingcapacitor
c1-1720negativeterminalofthechargepumpflyingcapacitor
DRV1821OExternalchargepumpdriver
FB22124IFeedbackpinofnegativechargepump
ref2023ointernalreferenceoutputtypically1.23v
fb425ifeedbackpinofthelinearregulatorcontroller.thelinearregulatorcontrollerissettoa
fixedoutputvoltageof3.3vor3.0vdependingontheversion.
BASE36OBasedriveoutputfortheexternaltransistor
GND1922Ground
pgnd7,810,11powerground
VCOM1013OVCOMbufferoutput
FB31215IFeedbackpinofpositivechargepump
OUT31316OPositivechargepumpoutput
negativeterminalofthechargepumpflyingcapacitorandchargepumpmodepin.如果
theflyingcapacitorisconnectedtothispin,theconverteroperatesinavoltagetripler
c2-/mode1518
模式.ifthechargepumpneedstooperateinavoltagedoublermode,theflying
capacitorisremovedandthec2-/modepinshouldbeconnectedtognd.
positiveterminalforthechargepumpflyingcapacitor.ifthedevicerunsinvoltage
C2+1417
doublermode,thispinshouldbeleftopen.
supplypinofthepositive,negativechargepump,boostconvertergatedrivecircuit,
andvcombuffer.thispinshouldbeconnectedtotheoutputofthemainboost
sup912iconverterandcannotbeconnectedtoanyothervoltagesource.forperformance
reasons,itisnotrecommendedforabypasscapacitortobeconnecteddirectlytothis
管脚.
FB114IFeedbackpinoftheboostconverter
sw5,68,9iswitchpinoftheboostconverter
powerpad™/thepowerpadorexposedthermaldieneedstobeconnectedtothepowerground
thermaldiepins(pgnd)
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