LTC9101AUF-2#PBF

Overview

The LTC9101AUF-2#PBF is a Power Sourcing Equipment (PSE) controller designed for IEEE 802.3bt PoE applications, supporting up to 90W output power. It operates within a supply voltage range of 51V to 57V and features a maximum on-resistance of 30 mOhms. The device supports 1000Base-T standards and includes one channel with a maximum duty cycle of 6.7%. It functions in temperatures from -40°C to +85°C and consumes 11mA of operating current. Packaged in a QFN-24 surface-mount format, it serves as a compact solution for high-power PoE infrastructure.

Feature Summary

• Supports IEEE 802.3bt Type 4 PoE standards for high-power delivery
• Integrates low on-resistance power switch for efficient energy transfer
• Provides comprehensive protection mechanisms for PSE implementation

Applications

• High-power PoE switches and injectors
• IEEE 802.3bt compliant network infrastructure
• Power sourcing equipment for IoT devices requiring up to 90W

Procurement Notes

Verify the specific suffix against manufacturer documentation to confirm pinout and functional compatibility. Ensure the component matches the required IEEE standard version for your design. Cross-reference the package type and thermal characteristics with your PCB layout specifications before finalizing procurement.

Selection Notes

Select this controller when designing systems requiring IEEE 802.3bt Type 4 power delivery. Consider the 30 mOhm on-resistance for thermal management and efficiency calculations. Evaluate the QFN-24 package constraints for PCB space and heat dissipation requirements relative to your application's power density needs.

Part Context

This component belongs to Analog Devices' LTC9101 series of PoE PSE controllers. It is part of the broader portfolio of power management solutions for Ethernet-based power distribution. The series addresses the growing demand for higher power levels in networked devices, enabling direct powering of complex endpoints without separate power supplies.

FAQ

What is the maximum output power supported by the LTC9101AUF-2#PBF?

The device supports up to 90W of output power, compliant with IEEE 802.3bt Type 4 standards.

What is the operating temperature range for this controller?

The specified operating temperature range is from -40°C to +85°C.