LM5070MTC-80

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Controller (PD), DC/DC
Number of Channels:	1
Internal Switch(s):	Both
Auxiliary Sense:	No
Standards:	802.3af (PoE)
Voltage - Supply:	1.8 V ~ 75 V
Current - Supply:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	LM5070

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Introduction
Power over Ethernet (PoE) is a way to provide power to devices over a single Ethernet cable. It has become increasingly popular in recent years, with many home and enterprise networks using it to provide power to cameras, phones, and other devices. The LM5070MTC-80 is a PoE controller from Texas Instruments (TI) that can be used to supply power over Ethernet for many devices. In this article, we will discuss the application field and working principle of the LM5070MTC-80.

Application Field
The LM5070MTC-80 is a high-performance, cost-effective Power over Ethernet controller. It is designed to be used in a variety of applications, including industrial and home automation, security and surveillance, and medical systems. The LM5070MTC-80 can supply up to 80W of power over Ethernet and is capable of operating in a variety of networks, including 10/100/1000MB/s Gigabit Ethernet networks. It is also designed to be compliant with the IEEE 802.3af, IEEE 802.3at, and Type 2 PoE standards. This makes it an ideal choice for providing power to PoE-enabled devices.

Working Principle
The LM5070MTC-80 is a 3-phase synchronous buck converter PoE controller that can be used to provide power to Ethernet-enabled devices. The controller uses an internal control loop to regulate the output voltage to the specified voltage of the connected device. The controller can supply up to 80 Watts of power and is capable of operating in a wide range of input voltages, from 90V to 265V. The LM5070MTC-80 is designed to be compliant with the IEEE 802.3af, IEEE 802.3at, and Type 2 PoE standards. This ensures that the controller is compatible with most PoE-enabled devices. The LM5070MTC-80 also features an integrated linear regulator (LVR) that can be used to reduce the controller’s input voltage in order to match the input voltage of the connected device. This ensures that the controller does not draw more power from the device than necessary. The LVR is also adjustable, allowing the user to fine-tune the voltage output of the controller. This makes the LM5070MTC-80 an ideal choice for applications requiring precise power control.

Conclusion
The LM5070MTC-80 is a high-performance, cost-effective Power over Ethernet controller. It is designed to be compliant with the IEEE 802.3af, IEEE 802.3at, and Type 2 PoE standards, making it an ideal choice for providing power to PoE-enabled devices. The LM5070MTC-80 is capable of supplying up to 80W of power, and is designed to be used in a variety of applications, including industrial and home automation, security and surveillance, and medical systems. The controller also features an integrated linear regulator, which can be used to reduce the controller’s input voltage and adjust the output voltage of the controller for precise power control.

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