LTC4279 (4)
LTC4279 is available from Analog Devices Inc. Inc. at Xecor. Designed for Power over Ethernet (PoE) systems, the LTC4279 offers fully autonomous IEEE 802.3 and LTPoE++ compliant operation without a microcontroller, low power dissipation, and robust short-circuit protection. Available in 20-Pin QFN and 16-Pin SO packages, it is ideal for PoE PSE endpoints, midspan power injectors, femto cells, and security systems. Whether used in telecommunications or industrial applications, this series ensures high reliability, scalability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the LTC4279 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC4279IUFD#PBF | Power Over Ethernet PSE Controller 20-Pin QFN EP | 20-WFQFNExposedPad | 6,078 | |
| LTC4279IS#PBF | Power Over Ethernet PSE Controller 16-Pin SOIC N | SOIC-16 | 5,985 | |
| LTC4279IS#TRPBF | PSE controller for PoE, PoE+, and LTPoE++ applications | SOIC-16 | 2,563 | |
| LTC4279IUFD#TRPBF | Powerful PoE/PoE+ solution for reliable network connectivity and energy management | QFN-20 | 3,872 |
Key Featrues
Compliance with IEEE 802.3at Type 1 and 2: The LTC4279 ensures compatibility with both Type 1 and Type 2 PoE standards, enabling seamless integration into a wide range of PoE systems. This compliance enhances interoperability and reliability, making it suitable for diverse applications such as network switches, routers, and midspan power injectors.
Support for LTPoE++ Up to 90W: The controller supports LTPoE++ technology, delivering up to 90W of power. This high power capability expands its use cases to power-hungry devices like advanced security cameras, wireless access points, and industrial equipment, improving system flexibility and performance.
Fully Autonomous Operation without Microcontroller: The LTC4279 operates independently without requiring a microcontroller, simplifying system design and reducing development time. This feature enhances efficiency by minimizing component count and power consumption, making it ideal for compact and cost-sensitive designs.
Robust Short-Circuit Protection: The controller includes robust short-circuit protection, ensuring safe operation and preventing damage to connected devices. This feature enhances system reliability and longevity, particularly in environments prone to electrical faults or surges.
UltraPWR Mode for Custom PDs up to 123W: The UltraPWR mode allows the controller to support custom Powered Devices (PDs) with power requirements up to 123W. This feature enables the use of high-power, non-standard devices, expanding the controller's versatility in specialized applications such as industrial automation and high-performance computing.
Support for LTPoE++ Up to 90W: The controller supports LTPoE++ technology, delivering up to 90W of power. This high power capability expands its use cases to power-hungry devices like advanced security cameras, wireless access points, and industrial equipment, improving system flexibility and performance.
Fully Autonomous Operation without Microcontroller: The LTC4279 operates independently without requiring a microcontroller, simplifying system design and reducing development time. This feature enhances efficiency by minimizing component count and power consumption, making it ideal for compact and cost-sensitive designs.
Robust Short-Circuit Protection: The controller includes robust short-circuit protection, ensuring safe operation and preventing damage to connected devices. This feature enhances system reliability and longevity, particularly in environments prone to electrical faults or surges.
UltraPWR Mode for Custom PDs up to 123W: The UltraPWR mode allows the controller to support custom Powered Devices (PDs) with power requirements up to 123W. This feature enables the use of high-power, non-standard devices, expanding the controller's versatility in specialized applications such as industrial automation and high-performance computing.
Applications
PoE PSE Endpoints (Switch/Router): The LTC4279 is ideal for implementing Power over Ethernet (PoE) in network switches and routers. Its autonomous operation and compliance with IEEE 802.3at and LTPoE++ standards ensure reliable power delivery to connected devices, making it suitable for enterprise and industrial networking environments.
PoE Midspan Power Injectors: The LTC4279 is perfect for midspan power injectors, enabling the addition of PoE capabilities to existing Ethernet networks. Its robust short-circuit protection and cable surge protection ensure safe and reliable power delivery, making it ideal for retrofitting non-PoE networks in office and industrial settings.
Power Forwarders: The LTC4279 is well-suited for power forwarding applications, where it can efficiently manage power distribution across multiple devices. Its support for dual-signature PDs and ultraPWR mode allows for flexible and high-power delivery, making it ideal for advanced power management systems in data centers and telecommunications.
Security Systems: The LTC4279 is ideal for powering security cameras and other PoE-enabled security devices. Its fully autonomous operation and high reliability ensure uninterrupted power delivery, making it suitable for surveillance systems in both residential and commercial environments.
PoE Midspan Power Injectors: The LTC4279 is perfect for midspan power injectors, enabling the addition of PoE capabilities to existing Ethernet networks. Its robust short-circuit protection and cable surge protection ensure safe and reliable power delivery, making it ideal for retrofitting non-PoE networks in office and industrial settings.
Power Forwarders: The LTC4279 is well-suited for power forwarding applications, where it can efficiently manage power distribution across multiple devices. Its support for dual-signature PDs and ultraPWR mode allows for flexible and high-power delivery, making it ideal for advanced power management systems in data centers and telecommunications.
Security Systems: The LTC4279 is ideal for powering security cameras and other PoE-enabled security devices. Its fully autonomous operation and high reliability ensure uninterrupted power delivery, making it suitable for surveillance systems in both residential and commercial environments.
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