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LM5070HE EVAL: POE, 3.3V @ 3.4A Out

Summary

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.

Specifications

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	ABC
Topology	Step Down
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
Features	Soft Start Thermal Protection Under Voltage Protection, Brown-Out
Switching Frequency	250 kHz
Component Count + Extras	60 + 1
Design Author	Texas Instruments
Internal Switch	No
Main I.C. Base Part	LM5070
Application / Target Market	PoE, Power Over Ethernet
Date Created By Author
Date Added To Library	2013-09