參數(shù)資料
型號(hào): LTC4266CIUHF#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: 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁(yè)數(shù): 21/28頁(yè)
文件大?。?/td> 325K
代理商: LTC4266CIUHF#PBF
LTC4266A/LTC4266C
28
4266acf
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0611 PRINTED IN USA
relAteD pArts
PART NUMBER
DESCRIPTION
COMMENTS
LTC4270/LTC4271
12-Port PoE/PoE+/LTPoE++ PSE Controller
Transformer Isolation, Supports Type 1, Type 2 and LTPoE++ PDs
LTC4266
Quad IEEE 802.3at PoE PSE Controller
2-Event Classification, Programmable CUT/LIM
LTC4274
Single IEEE 802.3at PoE PSE Controller
2-Event Classification, Programmable CUT/LIM
LTC4274A/LTC4274C
Single IEEE 802.3at PoE PSE Controller
13W through 90W Support
LTC4265
IEEE 802.3at PD Interface Controller
100V, 1A Internal Switch, 2-Event Classification Recognition
LTC4267
IEEE 802.3af PD Interface with Integrated Switching
Regulator
Internal 100V, 400mA Switch, Dual Inrush Current,
Programmable Class
LTC4269-1
IEEE 802.3at PD Interface with Integrated Flyback
Switching Regulator
2-Event Classification, Programmable Classification, Synchronous
No-Opto Flyback Controller, 50kHz to 250kHz, Auxiliary Support
LTC4269-2
IEEE 802.3at PD Interface with Integrated Forward
Switching Regulator
2-Event Classification, Programmable Classification, Synchronous
Forward Controller, 100kHz to 500kHz, Auxiliary Support
LTC4278
IEEE 802.3at PD Interface with Integrated Flyback
Switching Regulator
2-Event Classification, Programmable Classification, Synchronous
No-Opto Flyback Controller, 50kHz to 250kHz, 12V Auxiliary Support
Figure 17. One Complete Isolated Powered Ethernet Port
typicAl ApplicAtion
4266AC F17
1
2
3
4
5
6
7
8
2k
1F
100V
X7R
0.1F
200
U2
U3
U1
HCPL-063L
VDD CPU
SCL
SDA
GND CPU
INTERRUPT
TO
CONTROLLER
PHY
(NETWORK
PHYSICAL
LAYER
CHIP)
0.22F
100V
X7R
VEE
SENSE GATE OUT
VDD
SCL
SDAIN
SDAOUT
INT
RS
0.25
Q1
T1
1/4
LTC4266
DGND AGND
–48V
ISOLATED
SMAJ58A
S1B
ISOLATED
3.3V
ISOLATED
GND
0.01F
200V
0.01F
200V
0.01F
200V
0.01F
200V
75
RJ45
CONNECTOR
1000pF
2000V
FB1
FB2
S1B
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參數(shù)描述
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