LTC4266CGW#PBF Linear Technology, LTC4266CGW#PBF Datasheet - Page 30

• Manufacturer Part Number: LTC4266CGW#PBF
• Description: IC CTRLR IEEE 802.3AT 36-SSOP
• Manufacturer: Linear Technology

Specifications of LTC4266CGW#PBF

• Controller Type: Ethernet Controller (IEEE 802.3)
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 3.3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Input Voltage: 3.3V
• Supply Current: -2.4mA
• Digital Ic Case Style: SSOP
• No. Of Pins: 36
• Duty Cycle (%): 60%
• Uvlo: 25V
• Frequency: 1MHz
• Operating Temperature Range: 0°C To +70°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 36
• Mounting: Surface Mount
• Package Type: SSOP
• Screening Level: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Compliant

LTC4266
TYPICAL APPLICATION
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30
INTERRUPT
GND CPU
SDA
V
SCL
DD
D
Q1: FAIRCHILD IRFM120A OR PHILIPS PHT6NQ10T
U1: FAIRCHILD NC7WZ17
U2, U3: AGILENT HCPL-063L
FB1, FB2:TDK MPZ2012S601A
T1: PULSE H6096NL OR COILCRAFT ETH1-230LD
TSS
CPU
: DIODES INC SMAJ58A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Constant Frequency Current Mode Flyback DC/DC
Controller in ThinSOT™
Quad IEEE 802.3af PoE PSE Controller
Single IEEE 802.3af PSE Controller
High Power Single PoE PSE Controller
IEEE 802.3at PD Interface Controller
IEEE 802.3af PD Interface With Integrated Switching
Regulator
High Power PD With Synchronous Flyback Controller
IEEE 802.3at PD Interface Integrated Switching Regulator
IEEE 802.3at PD Interface Integrated Switching Regulator
U1
0.1µF
●
FAX: [phone]
200
200
HCPL-063L
HCPL-063L
Figure 22. One Complete Isolated Powered Ethernet Port
●
www.linear.com
U3
U2
200
200
2k
2k
SMAJ58A
0.1µF
COMMENTS
200kHz Operation, Adjustable Slope Compensation
DC Disconnect Sensing Only
Internal FET Switch
With Internal FET Switch
100V, 1A Internal Switch, 2-Event Classification Recognition
Internal 100V, 400mA Switch, Dual Inrush Current, Programmable Class
No Opto-coupler Required
2-Event Classification, Programmable Classification, Synchronous No-Opto
Flyback Controller, 50kHz to 250kHz
2-Event Classification, Programmable Classification, Synchronous Forward
Controller, 100kHz to 500kHz
ISOLATED
3.3V
100V
X7R
1µF
ISOLATED
–48V
(NETWORK
PHYSICAL
V
SCL
SDAIN
SDAOUT
INT
V
DD
LAYER
CHIP)
EE
PHY
0.25
R
S
SENSE GATE OUT
LTC4266
DGND AGND
1/4
S1B
Q1
•
•
•
•
ISOLATED
GND
T1
0.22µF
100V
X7R
 LINEAR TECHNOLOGY CORPORATION 2009
•
•
•
•
S1B
0.01µF
0.01µF
200V
200V
LT 0311 REV B • PRINTED IN USA
75
75
FB1
FB2
75
75
1000pF
2000V
0.01µF
0.01µF
200V
200V
CONNECTOR
4266fb
4266 F22
RJ45
1
2
3
4
5
6
7
8