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LM5070SD-50 from NS,National Semiconductor

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LM5070SD-50

Manufacturer: NS

Integrated Power Over Ethernet PD Interface and PWM Controller

Partnumber Manufacturer Quantity Availability
LM5070SD-50,LM5070SD50 NS 784 In Stock

Description and Introduction

Integrated Power Over Ethernet PD Interface and PWM Controller The LM5070SD-50 is a Power over Ethernet (PoE) interface switch controller manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** LM5070SD-50  
- **Type:** PoE Interface Switch Controller  
- **Package:** WSON-10  
- **Operating Temperature Range:** -40°C to +125°C  
- **Input Voltage Range:** 12V to 57V  
- **Output Voltage:** Programmable (supports IEEE 802.3af/at standards)  
- **Features:**  
  - Integrated high-voltage power MOSFET  
  - Supports detection and classification of PD (Powered Device)  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  

### **Descriptions and Features:**  
The LM5070SD-50 is designed for Power over Ethernet (PoE) applications, providing a complete solution for PoE power sourcing equipment (PSE). It integrates detection, classification, and power management functions required for IEEE 802.3af/at compliance.  

Key features include:  
- **Detection & Classification:** Ensures compatibility with IEEE 802.3af/at standards.  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Programmable Current Limit:** Allows flexibility in power delivery.  
- **Thermal Protection:** Prevents overheating.  
- **Wide Input Voltage Range:** Supports various PoE configurations.  

This device is commonly used in network switches, routers, and other PoE-enabled equipment.  

(Note: Specifications are based on available data; always refer to the official datasheet for exact details.)

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