參數(shù)資料
型號(hào)： LTC4266CUHF#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY MANAGEMENT CKT, PQCC38
封裝： 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁(yè)數(shù)： 27/30頁(yè)
文件大?。?/td> 414K
代理商： LTC4266CUHF#PBF
LTC4266
4266fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I2CTiming
ClockFrequency
(Note7)
l
1
MHz
t1
BusFreeTime
Figure5(Notes7,9)
l
480
ns
t2
StartHoldTime
Figure5(Notes7,9)
l
240
ns
t3
SCLLowTime
Figure5(Notes7,9)
l
480
ns
t4
SCLHighTime
Figure5(Notes7,9)
l
240
ns
t5
DataHoldTime
Figure5(Notes7,9)Dataintochip
Dataoutofchip
l
60
120
ns
t6
DataSet-UpTime
Figure5(Notes7,9)
l
80
ns
t7
StartSet-UpTime
Figure5(Notes7,9)
l
240
ns
t8
StopSet-UpTime
Figure5(Notes7,9)
l
240
ns
tr
SCL,SDAINRiseTime
Figure5(Notes7,9)
l
120
ns
tf
SCL,SDAINFallTime
Figure5(Notes7,9)
l
60
ns
FaultPresenttoINTPinLow
(Notes7,9,10)
l
150
ns
StopConditiontoINTPinLow
(Notes7,9,10)
l
1.5
s
ARAtoINTPinHighTime
(Notes7,9)
l
1.5
s
SCLFalltoACKLow
(Notes7,9)
l
120
ns
Note1:StressesbeyondthoselistedunderAbsoluteMaximumRatings
maycausepermanentdamagetothedevice.ExposuretoanyAbsolute
MaximumRatingconditionforextendedperiodsmayaffectdevice
reliabilityandlifetime.
Note2:ThisICincludesovertemperatureprotectionthatisintended
toprotectthedeviceduringmomentaryoverloadconditions.Junction
temperaturewillexceed140°Cwhenovertemperatureprotectionisactive.
Continuousoperationabovethespecifiedmaximumoperatingjunction
temperaturemayimpairdevicereliability.
Note3:Allcurrentsintodevicepinsarepositive;allcurrentsoutofdevice
pinsarenegative.
Note4:TheLTC4266operateswithanegativesupplyvoltage(withrespect
toground).Toavoidconfusion,voltagesinthisdatasheetarereferredto
intermsofabsolutemagnitude.
Note5:tDISisthesameastMPDOdefinedbyIEEE802.3at.
Note6:TheLTC4266digitalinterfaceoperateswithrespecttoDGND.All
logiclevelsaremeasuredwithrespecttoDGND.
Note7:Guaranteedbydesign,notsubjecttotest.
Note8:TheIEEE802.3afspecificationallowsaPDtopresentits
MaintainPowerSignature(MPS)onanintermittentbasiswithoutbeing
disconnected.Inordertostaypowered,thePDmustpresenttheMPSfor
tMPSwithinanytMPDOtimewindow.
Note9:ValuesmeasuredatVILD(MAX)andVIHD(MIN).
Note10:IffaultconditionoccursduringanI2Ctransaction,theINTpin
willnotbepulleddownuntilastopconditionispresentontheI2Cbus.
Note11:LoadCharacteristicoftheLTC4266duringMark:
7V<(AGND–VOUTn)<10VorIOUT<50A
Note12:SeetheLTC4266SoftwareProgrammingdocumentationfor
informationonserialbususageanddeviceconfigurationandstatus
registers.
electricAl chArActeristics
Theldenotesthespecificationswhichapplyoverthefulloperating
temperaturerange,otherwisespecificationsareatTA=25°C.AGND–VEE=54V,AGND=DGND,andVDD–DGND=3.3Vunlessotherwise
noted.(Notes3,4)
相關(guān)PDF資料
PDF描述
LTC500-4MM LOW PASS FILTER
LTC6603CUF#PBF LOW PASS FILTER
LTC6603CUF#TRPBF LOW PASS FILTER
LTC6603IUF#PBF LOW PASS FILTER
LTC6603IUF#TRPBF LOW PASS FILTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4266IGW#PBF 功能描述:IC CTRLR IEEE 802.3AT 36-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266IGW#TRPBF 制造商:Linear Technology 功能描述:Power Over Ethernet Controller 36-Pin SSOP W T/R 制造商:Linear Technology 功能描述:MS-Hot Swap/POE, PoE+ 25.5W Quad PSE Controller
LTC4266IUHF#PBF 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP 制造商:Linear Technology 功能描述:IC POE 802.3AT QUAD PSE 38-QFN 制造商:Linear Technology 功能描述:POE CNTRL QUAD 25.5W 1MHZ 制造商:Linear Technology 功能描述:IC, POE CONTROLLER, 3.3V, QFN-38; Input Voltage:3.3V; Supply Current:-2.4mA; UVLO:25V; Digital IC Case Style:QFN; No. of Pins:38; Frequency:1MHz; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes
LTC4266IUHF#TRPBF 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP
LTC4267 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad IEEE 802.3at Power over Ethernet Controller
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*