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FEATURESAPPLICATIONS
描述
TYPICALAPPLICATION
VIN
DRVN
FBN
参考
比较
DLY1
DLY2
FDLY
软件 软件
sup
DRVP
gd
CPI
FBP
地
PGND
PGND
VCOM
TPS65150
adj
ctrl
VGH
fb
入点
Vin
5 v
R8
500 k
C6
1 nf
R7
500 k
L1
3.9
h
D1
C1
22
f
C7
0.33
fD2
R3
620 k
D3
C3
0.33
f
R4
150 k
C8
220 nf
VGH
控制 信号
C9
2.2 nf
C10
22 pf
C11
10 nf
C12
10 nf
C13
100 nf
CPI
C16
0.33
f
D4
C5
1
f
C4
0.33
f
VGH
23 v/20 ma
v
com
输出
C14
1
f
C15
22 pf
R1
820 k
R2
75 k
C2
22
f
R6
56 k
R5
1 m
CPI
v
s
13.5 v/450 ma
D5
VGL
−5 v/20 ma
v
入点
TPS65150
SLVS576–SEPTEMBER2005
lowinputvoltage,compactlcdbiasicwithvcombuffer
•
TFTLCDDisplaysforNotebooks
•
1.8-vto6-vinputvoltagerange
•
TFTLCDDisplayforMonitor
•
IntegratedVCOMBuffer
•
CarNavigationDisplay
•
HighVoltageSwitchtoIsolateVGH
•
GateVoltageShapingofVGH
•
2-ainternalmosfetswitch
TheTPS65150offersaverycompactandsmall
•
mainoutputvsupto15vwith&指示灯;1%output
powersupplysolutionthatprovidesallthreevoltages
VoltageAccuracy
requiredbythinfilmtransistor(tft)lcddisplays.
•
VirtualSynchronousConverterTechnology
withaninputvoltagerangeof1.8vto6.0vthe
deviceisidealfornotebookspoweredbya2.5-vor
•
NegativeRegulatedChargePumpDriverVGL
3.3-vinputrailormonitorapplicationswitha5-v
•
PositiveRegulatedChargePumpDriverVGH
inputvoltagerail.additionallythetps65150provides
•
AdjustablePowerOnSequencing
anintegratedhighcurrentbuffertoprovidethe
vcomvoltageforthetftbackplane.
•
AdjustableFaultDetectionTiming
•
GateDriveSignalforexternalisolation
Tworegulatedadjustablechargepumpdriverprovide
场效应晶体管
thepositiveVGHandnegativeVGLbiasvoltagesfor
thetft.thedeviceincorporatesadjustablepower
•
ThermalShutdown
onsequencingforvglaswellasforvgh.这个
•
availableintssop-24package
avoidsanyadditionalexternalcomponentsto
•
availableinqfn-24package
implementapplicationspecificsequencing.这
devicehasanintegratedhighvoltageswitchto
isolatevgh.
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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