LTC9101AUF-2A#PBF

$6.93

Description：POE PSE CONTROLLER
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:1e6e486644af Category: Power Over Ethernet (PoE) Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：POE PSE CONTROLLER
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Type：Controller (PSE)
Number of Channels：48
Power - Max：-
Internal Switch(s)：No
Auxiliary Sense：No
Standards：802.3at (PoE+), 802.3af (PoE), 802.3bt
Voltage - Supply：3V ~ 3.6V, 51V ~ 57V
Current - Supply：40mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-QFN (4x4)

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LTC9101AUF-2A#PBF

Overview

The LTC9101AUF-2A#PBF is a Power Sourcing Equipment (PSE) controller compliant with the IEEE 802.3at standard for LAN applications. It operates within a supply voltage range of 51 V to 57 V and supports a maximum output power of 90 W. The device features a maximum on-resistance of 30 mOhms and draws a typical operating supply current of 11 mA. Designed for surface mount installation, it utilizes a QFN-24 package and functions reliably across an extended temperature range from -40°C to +85°C.

Feature Summary

Compliant with IEEE 802.3at standards for PoE applications
Integrated digital control architecture for PSE implementation
Supports high-efficiency power delivery up to 90 W

Applications

IEEE 802.3at compliant Power Sourcing Equipment design
LAN infrastructure power distribution systems
Digital controller integration for PoE switches

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required operational variant. Ensure storage conditions adhere to moisture sensitivity levels specified in the official datasheet. Validate that the received package corresponds to the QFN-24 form factor before integration into manufacturing processes.

Selection Notes

Select this component for designs requiring strict adherence to IEEE 802.3at specifications. The integrated controller simplifies circuit complexity compared to discrete solutions. Consider the thermal performance of the QFN-24 package relative to the expected power dissipation. Verify input voltage stability within the 51 V to 57 V range to ensure proper operation.

Part Context

This part belongs to the LTC9101 series of power management ICs designed for networking equipment. It serves as a specialized controller for managing power delivery over Ethernet cables. The series targets industrial and commercial communication infrastructure where reliable PoE functionality is critical for endpoint devices.