LTC4267-3

PRODUCTION

Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator

Data Sheet Product Selection Table

Part Models: 8
1ku List Price: Starting From $1.97

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Part Details

Complete Power Interface Port for IEEE 802^®.3af Powered Device (PD)
Onboard 100V, UVLO Switch
Constant-Frequency 300kHz Operation
Precision Dual Level Inrush Current Limit
Integrated Current Mode Switching Regulator
Onboard 25k Signature Resistor with Disable
Programmable Classification Current (Class 0-4)
Thermal Overload Protection
Power Good Signal
Integrated Error Amplifier and Voltage Reference
Low Profile 16-Pin SSOP or DFN Packages

Part Models: 8
1ku List Price: Starting From $1.97

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC4267CDHC-3#PBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267CDHC-3#TRPBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267CGN-3#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267CGN-3#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267IDHC-3#PBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267IDHC-3#TRPBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267IGN-3#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4267IGN-3#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LTC4267CGN-3#PBF	PRODUCTION
LTC4267CGN-3#TRPBF	PRODUCTION
LTC4267IGN-3#PBF	PRODUCTION
LTC4267IGN-3#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LTC4267CGN-3#PBF	PRODUCTION
LTC4267CGN-3#TRPBF	PRODUCTION
LTC4267IGN-3#PBF	PRODUCTION
LTC4267IGN-3#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
PoE Powered Device (PD) 1
LT4275	PRODUCTION	LTPoE++/PoE+/PoE PD Controller
Power Monitors 1
LT2940	PRODUCTION	Power and Current Monitor

Tools & Simulations

LTspice 1

LTC4267-3 - Power-over-Ethernet (PoE) Interface Controllers

Models for the following parts are available in LTspice:

LTC4267
LTC4267-1
LTC4267-3

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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LTC4267-3

Part Details

Documentation

Data Sheet 1

Reliability Data 3

User Guide 1

Video 1

Product Selector Card 2