LTC9101AUF-1#PBF

Overview

The LTC9101AUF-1#PBF is a Power Sourcing Equipment (PSE) controller designed for IEEE 802.3at PoE applications. It operates within a supply voltage range of 51 V to 57 V and supports up to 90 W output power. The device features a maximum on-resistance of 30 mOhms and functions at a maximum duty cycle of 6.7%. It includes one channel, draws 11 mA of operating current, and operates between -40°C and +85°C. Packaged in a QFN-24 format, it complies with 1000Base-T standards.

Feature Summary

• Integrated PSE controller compliant with IEEE 802.3at standards
• Supports high-power delivery up to 90 W
• Low on-resistance for efficient power transmission
• Single-channel operation for simplified circuit design

Applications

• IEEE 802.3at PoE midspan injectors
• Power sourcing equipment for network switches
• Industrial IoT power distribution systems

Procurement Notes

Verify the specific suffix and package type against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and check for any obsolescence notices or lifecycle changes directly from Analog Devices before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring certified IEEE 802.3at PoE power sourcing. Ensure the input voltage range matches your power supply capabilities and that the thermal management strategy accommodates the 90 W output capability within the specified operating temperature range.

Part Context

This part belongs to the LTC9101 series of PoE controllers from Analog Devices. It is categorized under Power Switch ICs for POE/LAN applications. The device is distinct from other series members by its specific pinout and control features tailored for single-channel high-power PoE implementations.

Replacement Considerations

LTC7819RUJ#PBF is listed as an alias for this part number.