LTC4270CIUKG#TRPBF

Overview

The LTC4270CIUKG#TRPBF is a Power over Ethernet (PoE) Powered Device controller compliant with IEEE 802.3at standards. It integrates a high-side switch, current limit control, and soft-start functionality for Class 4 applications. The device supports hot-plug insertion without system disturbance. It operates within an industrial temperature range of -40°C to +85°C. The component utilizes a 16-lead TSSOP package.

Feature Summary

• Integrates high-side power switch with precise current limiting
• Supports IEEE 802.3at PoE powered device classification
• Enables hot-plug insertion capability

Applications

• IEEE 802.3at PoE powered devices
• Class 4 power classification circuits
• Network interface hardware

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the 'I' grade corresponds to the required industrial temperature range for your application environment. Ensure compatibility with the host system's voltage levels and pinout requirements before finalizing procurement.

Selection Notes

Select this component for designs requiring integrated PoE PD control and switching in a compact footprint. It is suitable for applications needing Class 4 power classification support. Consider the TSSOP package constraints for thermal management and board space availability compared to larger packages.

Part Context

This part belongs to the Analog Devices LTC4270 series of PoE controllers. It is designed specifically for powering networked devices via Ethernet cables. The series provides solutions for managing power delivery and classification in compliance with industry standards.

Replacement Considerations

Check for direct substitutes within the LTC4270 family or other IEEE 802.3at compatible controllers from Analog Devices. Verify pin-to-pin compatibility and electrical parameter alignment before substituting.