LTC9101AUF-1#TRPBF

Overview

The LTC9101AUF-1#TRPBF is a Power Sourcing Equipment (PSE) controller compliant with the 1000Base-T standard for 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 a maximum duty cycle of 6.7%. Designed for single-channel operation, it functions reliably across an extended temperature range from -40°C to +85°C. The component is housed in a QFN-24 package and draws a typical operating current of 11 mA.

Feature Summary

• Integrated PSE controller functionality supporting 1000Base-T standards
• High-efficiency power switching with low on-resistance characteristics
• Supports high-power delivery up to 90 W capacity
• Operates within wide industrial temperature ranges

Applications

• Power over Ethernet (PoE) infrastructure systems
• Network switch power sourcing equipment designs
• Industrial LAN connectivity solutions

Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm tape-and-reel packaging configuration. Ensure the part number matches the exact electrical specifications required for your 1000Base-T application. Cross-reference the datasheet for any updates regarding RoHS compliance status or manufacturing site changes before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring certified 1000Base-T PoE compliance with high power delivery capabilities. Consider the QFN-24 package constraints for thermal management and PCB layout. Evaluate the 51 V to 57 V input requirements against your system's power architecture to ensure compatibility with standard PoE power budgets.

Part Context

This component belongs to the LTC9101 series of PoE controllers manufactured by Analog Devices. It serves as a specialized integrated circuit for managing power delivery in network infrastructure. The device integrates necessary control logic and power switches to simplify PSE design compared to discrete solutions.

Replacement Considerations

Public documentation lists LTC7819RUJ#PBF as an alias for this part number. Verify functional equivalence through official manufacturer cross-reference tools before substitution.