ltc4267cgn-1 Linear Technology Corporation, ltc4267cgn-1 Datasheet - Page 32

• Manufacturer Part Number: ltc4267cgn-1
• Description: Power Over Ethernet Ieee 802.3af Pd Interface With Integrated Switching Regulator
• Manufacturer: Linear Technology Corporation

RELATED PARTS
PART NUMBER
LTC1737
LTC1871
LTC3803
LTC3825
LTC4257
LTC4257-1
LTC4258
LTC4259A-1
LTC4263
LTC4267
Burst Mode is a registered trademark of Linear Technology Corporation. No R
LTC4267-1
TYPICAL APPLICATION
32
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™ 200kHz Constant Frequency, Adjustable Slope Compensation, Optimized for
Isolate No-Opto Synchronous Flyback Controller with
Wide Input Supply Range
IEEE 802.3af PD Interface Controller
IEEE 802.3af PD Interface Controller
Quad IEEE 802.3af Power over Ethernet Controller
Quad IEEE 802.3af Power over Ethernet Controller
Single IEEE 802.3af Power over Ethernet Controller
IEEE 802.3af PD Interface with an Integrated
Switching Regulator
●
FAX: [phone]
High-Effi ciency Class 3 PD with 3.3V Isolated Power Supply
SENSE
●
™ Current Mode
www.linear.com
COMMENTS
Adjustable Switching Frequency, Programmable Undervoltage Lockout,
Optional Burst Mode
High Input Voltage Applications
Adjustable Switching Frequency, Programmable Undervoltage Lockout,
Accurate Regulation without Trim, Synchronous for High Effi ciency
100V 400mA Internal Switch, Programmable Classifi cation
100V 400mA Internal Switch, Programmable Classifi cation Dual Current Limit
Autonomous Operation or I
Autonomous Operation or I
Autonomous Operation or I
100V 400mA Internal Switch, Programmable Classifi cation, 200kHz Constant
Frequency PWM, Interface and Switcher Optimized for IEEE-Compliant PD
System
Sense Output Voltage Directly from Primary-Side Winding
DC Disconnect Only, IEEE-Compliant PD Detection and Classifi cation,
AC or DC Disconnect IEEE-Compliant PD Detection and Classifi cation,
AC or DC Disconnect IEEE-Compliant PD Detection and Classifi cation,
SENSE
and ThinSOT are trademarks of Linear Technology Corporation.
®
Operation at Light Load
2
2
2
C™ Control
C Control
C Control
© LINEAR TECHNOLOGY CORPORATION 2007
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LT 0207 • PRINTED IN USA
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