5071MT Datasheet LM5071MT

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: November 2005 www.DataSheet4U.com LM5071 Power Over Ethernet PD Controller with Auxiliary Power Interface LM5071 Power Over Ethernet PD Controller with Auxiliary Power.

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Datasheet Details

Part number	5071MT
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	889.26 KB
Description	LM5071MT
Download	5071MT Download (PDF)

General Description

The LM5071 power interface port and pulse width modulation (PWM) controller provides a complete integrated solution for Powered Devices (PD) that connect into Power over Ethernet (PoE) systems.

The LM5071 is specifically designed for the PD that must accept power from auxiliary sources such as ac adapters.

The auxiliary power interface of the LM5071 activates the PWM controller when the ac adapter is connected to power the PD when PoE network power is unavailable.

Key Features

n Compatible with 12V ac adapters n Fully Compliant 802.3af Power Interface Port n 80V, 1Ω, 400 mA Internal MOSFET Packages n TSSOP-16 Block Diagram 20168401 © 2005 National Semiconductor Corporation DS201684 www. national. com LM5071 Block Diagram (Continued) www. DataSheet4U. com 20168402 FIGURE 1. Simplified Block Diagram Connection Diagram 20168403 16 Lead TSSOP Ordering Information Order Number LM5071MT-50 LM5071MTX-50 LM5071MT-80 LM5071MTX-80.

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