数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

LT3071MPUFD 数据表(PDF) 4 Page - Linear Technology

部件名 LT3071MPUFD
功能描述  5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator with Analog Margining
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT3071MPUFD 数据表(HTML) 4 Page - Linear Technology

  LT3071MPUFD Datasheet HTML 1Page - Linear Technology LT3071MPUFD Datasheet HTML 2Page - Linear Technology LT3071MPUFD Datasheet HTML 3Page - Linear Technology LT3071MPUFD Datasheet HTML 4Page - Linear Technology LT3071MPUFD Datasheet HTML 5Page - Linear Technology LT3071MPUFD Datasheet HTML 6Page - Linear Technology LT3071MPUFD Datasheet HTML 7Page - Linear Technology LT3071MPUFD Datasheet HTML 8Page - Linear Technology LT3071MPUFD Datasheet HTML 9Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 28 page
background image
LT3071

3071f
electricAl chArActeristics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. COUT = 15µF (Note 9), VIN = VOUT + 0.3V (Note 5), VBIAS = 2.5V unless
otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VBIASUndervoltageLockout
VBIASRising
VBIASFalling
l
l
1.1
0.9
1.55
1.4
2.1
1.7
V
V
VIN-VOUTServoVoltagebyVIOC
l
250
300
350
mV
VIOCOutputCurrent
VIN=VOUT(NOMINAL)+150mV,SourcingOutofthePin
VIN=VOUT(NOMINAL)+450mV,SinkingIntothePin
l
l
160
170
235
255
310
340
µA
µA
VILInputThreshold(Logic-0State),
VO2,VO1,VO0,MARGSEL,MARGTOL
InputFalling
l
0.25
V
VIZInputRange(Logic-ZState),
VO2,VO1,VO0,MARGSEL,MARGTOL
l
0.75
VBIAS–0.9
V
VIHInputThreshold(Logic-1State),
VO2,VO1,VO0,MARGSEL,MARGTOL
InputRising
l
VBIAS–0.25
V
InputHysteresis(BothThresholds),
VO2,VO1,VO0,MARGSEL,MARGTOL
60
mV
InputCurrentHigh,
VO2,VO1,VO0,MARGSEL,MARGTOL
VIH=VBIAS=2.5V,CurrentFlowsIntoPin
l
25
40
µA
InputCurrentLow,
VO2,VO1,VO0,MARGSEL,MARGTOL
VIL=0V,VBIAS=2.5V,CurrentFlowsOutofPin
l
25
40
µA
ENPinThreshold
VOUT=OfftoOn
VOUT=OntoOff
l
l
0.9
1.4
V
V
ENPinLogicHighCurrent
VEN=VBIAS=2.5V
l
2.5
4.0
6.5
µA
ENPinLogicLowCurrent
VEN=0V
l
0.1
µA
VBIASRippleRejection
VBIAS=VOUT+1.5VAVG,VRIPPLE=0.5VP-P,fRIPPLE=120Hz,
VIN–VOUT=300mV,IOUT=2.5A
75
dB
VINRippleRejection
(Notes3,4,5)
VBIAS=2.5V,VRIPPLE=50mVP-P,fRIPPLE=120Hz,
VIN–VOUT=300mV,IOUT=2.5A
66
dB
ReferenceVoltageNoise
(REF/BYPPin)
CREF/BYP=10nF,BW=10Hzto100kHz
10
µVRMS
OutputVoltageNoise
VOUT=1V,IOUT=5A,CREF/BYP=10nF,COUT=15µF,
BW=10Hzto100kHz
25
µVRMS
Note 1:StressesbeyondthoselistedunderAbsoluteMaximumRatings
maycausepermanentdamagetothedevice.ExposuretoanyAbsolute
MaximumRatingconditionforextendedperiodsmayaffectdevice
reliabilityandlifetime.
Note 2:TheLT3071regulatorsaretestedandspecifiedunderpulseload
conditionssuchthatTJ≅TA.TheLT3071Eis100%testedatTA=25°C.
Performanceat–40°Cand125°Cisassuredbydesign,characterization
andcorrelationwithstatisticalprocesscontrols.TheLT3071Iis
guaranteedoverthe–40°Cto125°Coperatingjunctiontemperaturerange.
TheLT3071MPis100%testedandguaranteedoverthe–55°Cto125°C
operatingjunctiontemperaturerange.
Note 3:Tomaintainproperperformanceandregulation,theBIASsupply
voltagemustbehigherthantheINsupplyvoltage.ForagivenVOUT,the
BIASvoltagemustsatisfythefollowingconditions:2.2V≤VBIAS≤3.6V
andVBIAS≥(1.25•VOUT+1V).ForVOUT≤0.95V,theminimumBIAS
voltageislimitedto2.2V.
Note 4:Operatingconditionsarelimitedbymaximumjunction
temperature.Theregulatedoutputvoltagespecificationdoesnotapply
forallpossiblecombinationsofinputvoltageandoutputcurrent.When
operatingatmaximumoutputcurrent,limittheinputvoltagerangeto
VIN<VOUT+500mV.
Note 5:TheLT3071incorporatessafeoperatingareaprotectioncircuitry.
CurrentlimitdecreasesastheVIN-VOUTvoltageincreases.Currentlimit
foldbackstartsatVIN–VOUT>500mV.SeetheTypicalPerformance
CharacteristicsforagraphofCurrentLimitvsVIN–VOUTvoltage.The
currentlimitfoldbackfeatureisindependentofthethermalshutdown
circuity.
Note 6:Dropoutvoltage,VDO,istheminimuminputtooutputvoltage
differentialataspecifiedoutputcurrent.Indropout,theoutputvoltage
equalsVIN–VDO.
Note 7:GNDpincurrentistestedwithVIN=VOUT(NOMINAL)+300mVanda
currentsourceload.VIOCisabufferedoutputdeterminedbythevalueof
VOUTasprogrammedbytheVO2-VO0pins.VIOC’soutputisindependentof
themarginingfunction.
Note 8:ReverseoutputcurrentistestedwiththeINpinsgroundedandthe
OUT+SENSEpinsforcedtotheratedoutputvoltage.Thisismeasuredas
currentintotheOUT+SENSEpins.
Note 9:FrequencyCompensation:TheLT3071mustbefrequency
compensatedatitsOUTpinswithaminimumCOUTof15µFconfigured
asaclusterof(15
×)1µFceramiccapacitorsorasagraduatedcluster
of10µF/4.7µF/2.2µFceramiccapacitorsofthesamecasesize.Linear
TechnologyonlyrecommendsX5RorX7Rdielectriccapacitors.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com