Manufacturer Part Number
LT4275AIDD#PBF
Manufacturer
Analog Devices
Introduction
The LT4275AIDD#PBF is a robust Power over Ethernet (PoE) controller designed for managing power distribution in networking and communication devices in compliance with PoE standards.
Product Features and Performance
Single channel PoE controller
Supports up to 90W power delivery
No internal switches, providing design flexibility
Auxiliary power support for device operation during power-sourcing equipment (PSE) detection
Compliant with IEEE standards 802.3at (PoE+), 802.3af (PoE), and LTPoE++
Wide operating voltage range from 23V to 60V
Low supply current draw of 2mA (Max)
Operational in a diverse range of temperatures from -40°C to 85°C
Surface mount device, suitable for compact PCB designs
Compatible with 10-DFN (3x3) package for efficient heat dissipation
Product Advantages
High power support suitable for more demanding applications
Enhanced power management for high-efficiency operation
Easy integration with existing Ethernet-based infrastructures
Suitable for harsh industrial environments due to wide temperature range
Future-proof design with support for multiple PoE standards
Key Technical Parameters
Type: Controller (PD)
Number of Channels: 1
Power - Max: 90 W
Auxiliary Sense: Yes
Voltage - Supply: 23V ~ 60V
Current - Supply: 2mA (Max)
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Built to meet stringent industry standards for Power over Ethernet devices
Thermal protection features included in 10-WFDFN Exposed Pad package
Compatibility
Compatible with standards such as IEEE 802.3at, 802.3af, LTPoE++
Mountable on various PCBs with a 10-DFN (3x3) footprint
Application Areas
Network switches and hubs
VoIP phones
Wireless access points
Security cameras
Industrial Ethernet devices
Product Lifecycle
Product Status: Active
Not indicated as nearing discontinuation, ensuring long-term availability
Options for replacements or upgrades can be found in Analog Devices' product range if needed
Several Key Reasons to Choose This Product
High-power capabilities make it ideal for a wide range of PoE devices
Multi-standard compliance ensures future relevancy
Low power consumption helps to reduce overall system costs
Design flexibility due to auxiliary sensing and lack of internal switches
Industry-leading performance in extreme temperature conditions
Robust safety features demonstrate the reliability of the product
LT4275AHDDLT
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