Manufacturer Part Number
LTC4274AIUHF-1#PBF
Manufacturer
Analog Devices
Introduction
Power over Ethernet (PoE) Controller designed for Power Sourcing Equipment (PSE) applications
Product Features and Performance
Single-channel PoE controller
Supports 802.3at (PoE+), 802.3af (PoE), and LTPoE++ standards
Power capability up to 38.7W
Voltage supply range of 45V to 57V
Low supply current of 2.4mA
Designed for surface mount technology
Product Advantages
High power output capability for modern PoE devices
Compliance with multiple PoE standards for broad compatibility
Low operational power consumption
Capable of operating in industrial temperature ranges
Simple implementation in PSE applications
Key Technical Parameters
Number of Channels: 1
Power - Max: 38.7 W
Voltage - Supply: 45V ~ 57V
Current - Supply: 2.4mA
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Built to operate reliably under extended industrial temperature conditions
Robust WFQFN package for improved thermal performance
Compatibility
Compatible with a wide range of PoE-enabled devices
Meets standards for PoE+ and lower-tier PoE applications
Application Areas
Network switches
Security cameras
Wireless access points
VoIP phones
Industrial automation equipment
Product Lifecycle
Active product with ongoing manufacturer support
Not indicated as nearing discontinuation at knowledge cutoff
Several Key Reasons to Choose This Product
High-power single-port solution facilitates design simplification
Multi-standard compatibility enhances product versatility
Energy-efficient operation reduces system power loss
Durable design for extended use in harsh environments
Easily integrated into a variety of industrial and commercial applications
LTC4271CUF#TRPBFLinear Technology / Analog Devices