LM5072EVAL: Power Over Ethernet, 3.3V @ 3A

Summary

The LM5072 evaluation board is designed to provide a low cost, fully IEEE 802.3af compliant Power over Ethernet (PoE) power supply, capable of operating with both PoE and auxiliary (AUX) power sources.

The evaluation board features the LM5072 PoE Powered Device (PD) interface and controller integrated circuit (IC) configured in the versatile flyback topology.

* Based off of the eval board LM5072EVAL-ND.

Specifications

Manufacturer Texas Instruments
Category Power Management
Sub-Category POE - Power Over Ethernet
Eval Board Part Number LM5072EVAL-ND
Eval Board Supplier Texas Instruments
Eval Board Board not Stocked
Compliance IEEE 802.3af (802.3at Type 1)
Outputs and Type 1 Isolated
Voltage Out 3.3 V
Current Out 3 A
Voltage In 38 ~ 60 V
Efficiency @ Conditions >80%, 3.3V @ 3 A
Internal Switch No
Features Current Limit (Adj. or Fixed)
Under Voltage Protection, Brown-Out
Switching Frequency 250 kHz
Component Count + Extras 58 + 11
Application / Target Market PoE, Power Over Ethernet
Design Author Texas Instruments
Main I.C. Base Part LM5072
Date Created By Author 2006-03
Date Added To Library 2011-03

Support Documents & Media

LM5072EVAL - User Guide - AN1455 LM5072 - Datasheet Ultra Librarian Software:CAD Symbols and Footprints (Zip File) TI's CAD/CAE Symbols and Footprint Search

Media

LM5072EVAL_Schematic.JPG