www.德州仪器.com
地
EN
ILED
FB
Vin
输出
SW
PGND
1
2
3
4 5
6
7
8
Exposed
热的
DiePad
一个
B
C
1 2 3
管脚 a1
Index
TPS61060
TPS61061
TPS61062
SLVS538–NOVEMBER2004
thesedeviceshavelimitedbuilt-inesdprotection.theleadsshouldbeshortedtogetherorthedevice
placedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetothemosgates.
ORDERINGINFORMATION
OVERVOLTAGEPACKAGEPACKAGEMARKING
T
一个
保护
NanoFreeQFNNanoFree
(1)
QFN
(2)
(ovp)
14v(最小值)tps61060yzftps61060drbakxaqp
–40to85
°
c18v(最小值)tps61061yzftps61061drbakyaqq
22.2v(最小值)tps61062yzftps61062drbakzaqr
(1)theyzfpackageisavailableintapeandreel.addrsuffix(tps61060yzfr)toorderquantitiesof
3000partsperreeloraddtsuffix(tps61060yzft)toorder250partsperreel.
(2)thedrbpackageisavailableintapeandreel.addrsuffix(tps61060drbr)toorderquantitiesof
3000partsperreel.
8-pinnanofreepackage8-pin3x3-mmqfnpackage
TopViewTopView
TERMINALFUNCTIONS
终端
非.i/odescription
名字
CSPQFN
VINB18IInputsupplypinofthedevice
enablepin.thispinneedstobepulledhightoenablethedevice.toallowbrightnesscontrolof
ENA22I
theledsapwmsignalupto1khzcanbeapplied.thispinhasaninternalpulldownresistor.
GNDA11Analogground
PGNDC35Powerground
thisisthefeedbackpinofthedevice.thefeedbackpinregulatestheledcurrentthroughthe
senseresistorbyregulatingthevoltageacrossrs.thefeedbackvoltageissetbytheiledpin.
FBB34I
iled=gndsetsthefeedbackvoltageto500mv.iled=highsetsthefeedbackvoltageto250
mv.refertodigitalbrightnesscontrolsectionformoreinformation.
OUTC17OOutputofthedevice
SWC26ISwitchpinofthedevice
digitalbrightnesscontrolinput.whenthispinisgroundedthedigitalbrightnesscontrolis
无能.whenthispinisconnectedtohighthenthefeedbackvoltageisreducedtotypically
ILEDA33I
250mvandthedigitalbrightnesscontrolisenabled.refertodigitalbrightnesscontrolsectionfor
moreinformation.
thepowerpad™(exposedthermaldiepad)isonlyavailableontheqfnpackage.这
PowerPAD™––
powerpad™needstobeconnectedandsolderedtoanalogground(地).
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