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LM5073MHX application field and working principle

Introduction

The LM5073MHX is a Power Delivery Network (PDN) controller that enables high power transmission using Power over Ethernet (PoE) technology. It is specially designed for applications that require high power and efficient switching power supplies. The controller is based on standard IEEE 802.3af-2003 compliant hardware and provides a complete, reliable, cost-effective and easy-to-implement solution for delivering power over Ethernet.

Applications

The LM5073MHX can be used in a variety of applications that require high power such as:

• Point-of-Sale (POS) systems
• Building automation systems
• Telecommunications networks
• Industrial systems
• Connectivity for IP cameras or video surveillance systems
• Computer networking equipment

Working Principle

The LM5073MHX has an integrated current regulation feature, which ensures a constant output current is delivered to the load. The controller detects the power requirements of the load and adjusts the power supply accordingly to ensure the optimal current is delivered. When the power demand increases, the controller increases the voltage of the output to compensate for the increased current draw. Conversely, if the power demand decreases, the controller reduces the voltage to reduce the current draw.

The LM5073MHX also features an integrated self-protection mechanism that prevents the controller from delivering excessive power to the load. If the load draws more current than the maximum rated level, the controller will shut down automatically.

Conclusion

The LM5073MHX is an efficient, cost-effective and reliable Power over Ethernet (PoE) controller that enables high power transmission. It is suitable for a wide range of applications that require high power, such as Point-of-Sale (POS) systems, telecommunications networks and computer networking equipment. The controller features an integrated current regulation feature and a self-protection mechanism to ensure the safety of the system.

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