LTC4267 LINER [Linear Technology], LTC4267 Datasheet - Page 32

• Manufacturer Part Number: LTC4267
• Description: Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
I
LTC4267
PART NUMBER
LTC1737
LTC1871
LTC3803
LTC4257
LTC4257-1
LTC4258
LTC4259A
32
2
C is a trademark of Philips Electronics N.V.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Power Isolated Flyback Controller
Wide Input Range, No R
Flyback, Boost and SEPIC Controller
Current Mode Flyback DC/DC Controller in ThinSOT
IEEE 802.3af PD Interface Controller
IEEE 802.3af PD Interface Controller
with Dual Current Limit
Quad IEEE 802.3af Power over Ethernet Controller
Quad IEEE 802.3af Power over Ethernet Controller
●
FAX: [phone]
SENSE
●
TM
www.linear.com
Current Mode
TM
COMMENTS
Sense Output Voltage Directly from Primary Side Winding
Adjustable Switching Frequency, Programmable Undervoltage Lockout,
Optional Burst Mode
200kHz Constant Frequency, Adjustable Slope Compensation,
Optimized for High Input Voltage Applications
100V 400mA Internal Switch, Programmable Classifi cation
100V 400mA Internal Switch, Programmable Classifi cation,
Supports Legacy Applications
DC Disconnect Only, IEEE-Compliant PD Detection and Classifi cation,
Autonomous Operation or I
AC or DC Disconnect IEEE-Compliant PD Detection and Classifi cation,
Autonomous Operation or I
®
Operation at Light Load
2
2
C
C
TM
TM
Control
Control
© LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 1004 1K • PRINTED IN USA
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