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LM5071MT-50 from NS,National Semiconductor

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LM5071MT-50

Manufacturer: NS

Power Over Ethernet PD Controller with Auxiliary Power Power Over Ethernet PD Controller with Auxiliary Power

Partnumber Manufacturer Quantity Availability
LM5071MT-50,LM5071MT50 NS 719 In Stock

Description and Introduction

Power Over Ethernet PD Controller with Auxiliary Power Power Over Ethernet PD Controller with Auxiliary Power The LM5071MT-50 is a Power over Ethernet (PoE) interface controller manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** LM5071MT-50  
- **Type:** PoE PD (Powered Device) Interface Controller  
- **Operating Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable  
- **Package:** 16-Pin TSSOP  
- **Operating Temperature Range:** -40°C to +125°C  
- **Features:**  
  - Integrated detection and classification for IEEE 802.3af compliance  
  - Programmable inrush current control  
  - Under-voltage lockout (UVLO)  
  - Thermal shutdown protection  
  - Supports both isolated and non-isolated designs  

### **Descriptions and Features:**  
The LM5071MT-50 is designed for Power over Ethernet (PoE) applications, providing a complete interface for powered devices (PDs) in compliance with IEEE 802.3af standards. It integrates detection, classification, and power management functions, enabling efficient power delivery over Ethernet cables.  

Key features include:  
- **Detection & Classification:** Ensures compatibility with PoE standards.  
- **Inrush Current Limiting:** Prevents excessive current during startup.  
- **Wide Input Voltage Range:** Supports PoE voltage requirements.  
- **Thermal Protection:** Safeguards against overheating.  
- **Flexible Design Support:** Works with both isolated and non-isolated converter topologies.  

This device is commonly used in IP phones, wireless access points, and other PoE-powered equipment.

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