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LTC4263 датащи(PDF) 32 Page - Linear Technology

номер детали LTC4263
подробное описание детали  12-Port PoE/PoE/LTPoE PSE Controller
PDF  32 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC4263 датащи(HTML) 32 Page - Linear Technology

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LTC4270/LTC4271
32
42701fb
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0312 REV B • PRINTED IN USA
relAteD pArts
PART NUMBER DESCRIPTION
COMMENTS
LTC4257-1
IEEE 802.3af PD Interface Controller
Internal 100V, 400mA Switch, Dual Current Limit, Programmable Class
LTC4263
Single IEEE 802.3af PSE Controller
Internal FET Switch
LTC4265
IEEE 802.3at PD Interface Controller
Internal 100V, 1A Switch, 2-Event Classification Recognition
LTC4266
Quad IEEE 802.3at PoE PSE Controller
With Programmable ICUT/ILIM, 2-Event Classification, and Port Current and Voltage Monitoring
LTC4266A
Quad LTPoE++ PSE Controller
Provides Up to 90W. Backwards Compatible with IEEE 802.3af and IEEE 802.3at PDs. With
Programmable ICUT/ILIM, 2-Event Classification, and Port Current and Voltage Monitoring
LTC4266C
Quad IEEE 802.3af PSE Controller
With Programmable ICUT/ILIM, 1-Event Classification, and Port Current and Voltage Monitoring
LTC4267
IEEE 802.3af PD Interface With Integrated
Switching Regulator
Internal 100V, 400mA Switch, Dual Inrush Current, Programmable Class
LTC4267-1
IEEE 802.3af PD Interface With Integrated
Switching Regulator
Internal 100V, 400mA Switch, Programmable Class, 200kHz Constant Frequency PWM
LTC4267-3
IEEE 802.3af PD Interface With Integrated
Switching Regulator
Internal 100V, 400mA Switch, Programmable Class, 300kHz Constant Frequency PWM
LTC4269-1
IEEE 802.3af PD Interface With Integrated
Flyback Switching Regulator
2-Event Classification, Programmable Class, Synchronous No-Opto Flyback Controller,
50kHz to 250kHz, Aux Support
LTC4269-2
IEEE 802.3af PD Interface With Integrated
Forward Switching Regulator
2-Event Classification, Programmable Class, Synchronous Forward Controller, 100kHz to
500kHz, Aux Support
LTC4278
IEEE 802.3af PD Interface With Integrated
Flyback Switching Regulator
2-Event Classification, Programmable Class, Synchronous No-Opto Flyback Controller,
50kHz to 250kHz, 12V Aux Support
LTC4274
Single IEEE 802.3at PoE PSE Controller
With Programmable ICUT/ILIM, 2-Event Classification, and Port Current and Voltage Monitoring
LTC4274A
Single LTPoE++ PSE Controller
Provides Up to 90W. Backwards Compatible with IEEE 802.3af and IEEE 802.3at PDs. With
Programmable ICUT/ILIM, 2-Event Classification, and Port Current and Voltage Monitoring
LTC4274C
Single IEEE 802.3af PSE Controller
With Programmable ICUT/ILIM, 1-Event Classification, and Port Current and Voltage Monitoring
LTC4311
SMBus/ I2C Accelerator
Improved I2C Rise Time, Ensures Data Integrity
typicAl ApplicAtion
0.01µF
200V
0.01µF
200V
1
2
3
4
5
6
7
8
RJ45
CONNECTOR
•
•
3.3V
–54V
100
100
T2
T3
•
•
3.3V
–54V
–54V
ISOLATED
ISOLATED
GND
–54V
100
100
GP0
GP1
MID
RESET
MSD
INT
AUTO
SCL
AD0
AD1
AD2
AD3
AD6
DGND
VEE VSSK
CAP1
CAP2
DND
DPD
CND
CPD
DNA
AGND
DPA
CNA
CPA
OUT12
OUT1
GATE1
SENSE1
GATE12
SENSE12
XIO0
XIO1
42701 F16
SDAIN
SDAOUT
LTC4271
LTC4270
VDD33
1µF
3.3V
0.1µF
1µF
1µF
2nF 2000V
SMAJ58A
1µF
100V
X7R
+
>47µF
SYSTEM
BULK CAP
S1B
1
11
12
2
T1
0.25, 1%
RS
0.22µF
100V
X7R
S1B
FDMC3612
•
•
•
•
•
•
•
•
0.01µF
200V
0.01µF
200V
0.01µF
200V
0.01µF
200V
75
75
75
75
1
2
3
4
5
6
7
8
RJ45
CONNECTOR
PHY
(NETWORK
PHYSICAL
LAYER
CHIP)



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