LT4294IMS#PBF

Overview

The LT4294IMS#PBF is a hot swap voltage controller designed for IEEE 802.3bt Powered Device (PD) applications. It operates within an input voltage range of 8 V to 60 V and features adjustable current limiting. The device supports single-channel operation with a typical operating supply current of 2 mA. It is rated for commercial temperature ranges from -40°C to +85°C and is housed in a 10-lead DFN package.

Feature Summary

• Supports IEEE 802.3bt PoE++ Powered Device interface control
• Provides adjustable current limiting for power distribution protection
• Enables hot swap operations for safe insertion and removal

Applications

• IEEE 802.3bt PoE++ Powered Device controllers
• Hot swap voltage control in power distribution systems
• LAN interface control for powered network equipment

Procurement Notes

Verify the specific suffix against official Analog Devices documentation, as package variations exist within the series. Confirm RoHS compliance status through the manufacturer's datasheet or product change notifications. Ensure the component matches the required thermal and electrical specifications for the target application before procurement.

Selection Notes

Select this component for applications requiring IEEE 802.3bt PD compliance with hot swap capabilities. Compare the 10-DFN package against the MSOP-10 variant if different footprint constraints apply. Verify that the 60 V maximum input voltage aligns with the system's power sourcing requirements.

Part Context

This part belongs to the LT4294 series of hot swap voltage controllers manufactured by Analog Devices. It is categorized under Power Management ICs and specifically serves as a controller for power distribution in Ethernet-powered systems. The series includes variants with different package options to suit various board layout requirements.

Replacement Considerations

LT4294IDD#PBF is a documented alternative within the same series offering identical functionality in a different package configuration.