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LM5071MT-50/NOPB from NS,National Semiconductor

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LM5071MT-50/NOPB

Manufacturer: NS

Power Over Ethernet PD Controller with Auxiliary Power Interface 16-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM5071MT-50/NOPB,LM5071MT50NOPB NS 164 In Stock

Description and Introduction

Power Over Ethernet PD Controller with Auxiliary Power Interface 16-TSSOP -40 to 125 The LM5071MT-50/NOPB is a Power Over Ethernet (PoE) interface controller manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable via external components  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin TSSOP  
- **Power Dissipation:** Internally limited  
- **Compliance:** IEEE 802.3af standard  

### **Descriptions:**  
The LM5071MT-50/NOPB is a high-voltage PoE interface controller designed for Power Sourcing Equipment (PSE). It integrates a detection mechanism to identify valid powered devices (PDs) and provides classification for power management. The device supports both DC and AC disconnect methods.  

### **Features:**  
- **PD Detection & Classification:** Compliant with IEEE 802.3af  
- **Programmable Current Limit:** Adjustable via external resistor  
- **Dual-Mode Disconnect:** Supports DC and AC methods  
- **Thermal Protection:** Built-in thermal shutdown  
- **Low Standby Power:** Minimizes power consumption when inactive  
- **Integrated Power MOSFET Driver:** Simplifies external circuitry  

This device is commonly used in PoE switches, routers, and midspan injectors.  

(Note: NS refers to National Semiconductor, which was acquired by Texas Instruments.)

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