LM5070HE EVAL: POE, 3.3V @ 3.4A Out


The LM5070 HE (High Efficiency) evaluation board is designed to provide an IEEE802.3af compliant, Power over Ethernet (PoE) power supply.

The power supply features the LM5070 PoE powered device (PD) interface and controller integrated circuit (IC) configured in the versatile flyback topology.


Manufacturer Texas Instruments
Category Power Management
Sub-Category POE - Power Over Ethernet
Eval Board Part Number LM5070HEEVAL-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 3.4 A
Voltage In 38 ~ 60 V
Efficiency @ Conditions >90%, 3.3V @ 1.5 A
>89%, 3.3V @ 3 A
Internal Switch No
Features Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Switching Frequency 250 kHz
Component Count + Extras 60 + 1
Design Author Texas Instruments
Application / Target Market PoE, Power Over Ethernet
Main I.C. Base Part LM5070
Date Created By Author
Date Added To Library 2013-09