參數(shù)資料
型號： 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
文件頁數(shù)： 23/30頁
文件大?。?/td> 414K
代理商： LTC4266CUHF#PBF
LTC4266
4266fa
electricAl chArActeristics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
–48VSupplyVoltage
AGND–VEE
ForIEEEType1ComplaintOutput
ForIEEEType2ComplaintOutput
l
45
51
57
V
UndervoltageLock-outLevel
l
20
25
30
V
VDD
VDDSupplyVoltage
VDD–DGND
l
3.0
3.3
4.3
V
UndervoltageLock-out
l
2.2
V
AllowableDigitalGroundOffset
DGND–VEE
l
25
57
V
IEE
VEESupplyCurrent
(AGND–VEE)=55V
l
–2.4
–5
mA
IDD
VDDSupplyCurrent
(VDD–DGND)=3.3V
l
1.1
3
mA
Detection
DetectionCurrent–ForceCurrent
FirstPoint,AGND–VOUTn=9V
SecondPoint,AGND–VOUTn=3.5V
l
220
140
240
160
260
180
A
DetectionVoltage–ForceVoltage
AGND–VOUTn,5A≤IOUTn≤500A
FirstPoint
SecondPoint
l
7
3
8
4
9
5
V
DetectionCurrentCompliance
AGND–VOUTn=0V
l
0.8
0.9
mA
VOC
DetectionVoltageCompliance
AGND–VOUTn,OpenPort
l
10.4
12
V
DetectionVoltageSlewRate
AGND–VOUTn,CPORT=0.15F
l
0.01
V/s
Min.ValidSignatureResistance
l
15.5
17
18.5
kΩ
Max.ValidSignatureResistance
l
27.5
29.7
32
kΩ
Classification
VCLASS
ClassificationVoltage
AGND–VOUTn,0mA≤ICLASS≤50mA
l
16.0
20.5
V
ClassificationCurrentCompliance
VOUTn=AGND
l
53
61
67
mA
ClassificationThresholdCurrent
Class0–1
Class1–2
Class2–3
Class3–4
Class4–Overcurrent
l
5.5
13.5
21.5
31.5
45.2
6.5
14.5
23
33
48
7.5
15.5
24.5
34.9
50.8
mA
VMARK
ClassificationMarkStateVoltage
AGND–VOUTn,0.1mA≤ICLASS≤10mA
l
7.5
9
10
V
MarkStateCurrentCompliance
VOUTn=AGND
l
53
61
67
mA
GateDriver
GATEPinPull-DownCurrent
PortOff,VGATEn=VEE+5V
PortOff,VGATEn=VEE+1V
l
0.4
0.08
0.12
mA
GATEPinFastPull-DownCurrent
VGATEn=VEE+5V
30
mA
GATEPinOnVoltage
VGATEn–VEE,IGATEn=1A
l
8
14
V
OutputVoltageSense
VPG
PowerGoodThresholdVoltage
VOUTn–VEE
l
2
2.4
2.8
V
OUTPinPull-UpResistancetoAGND
0V≤(AGND–VOUTn)≤5V
l
300
500
700
kΩ
Theldenotesthespecificationswhichapplyoverthefulloperating
temperaturerange,otherwisespecificationsareatTA=25°C.AGND–VEE=54V,AGND=DGND,andVDD–DGND=3.3Vunlessotherwise
noted.(Notes3,4)
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相關代理商/技術參數(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:- 標準包裝: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 供應商設備封裝: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
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