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LM5070SD-80 from NS,National Semiconductor

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LM5070SD-80

Manufacturer: NS

Integrated Power Over Ethernet PD Interface and PWM Controller

Partnumber Manufacturer Quantity Availability
LM5070SD-80,LM5070SD80 NS 112 In Stock

Description and Introduction

Integrated Power Over Ethernet PD Interface and PWM Controller The LM5070SD-80 is a Power over Ethernet (PoE) interface controller manufactured by Texas Instruments (formerly National Semiconductor, NS).  

**Key Specifications:**  
- **Part Number:** LM5070SD-80  
- **Manufacturer:** Texas Instruments (formerly National Semiconductor)  
- **Type:** PoE Interface Controller  
- **Package:** 10-Pin WSON (Exposed Pad)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Input Voltage Range:** Up to 80V (supports IEEE 802.3af standard)  
- **Output Voltage:** Adjustable via external components  
- **Features:**  
  - Integrated high-voltage power MOSFET  
  - Supports classification for PoE applications  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  
  - Designed for use in Power Sourcing Equipment (PSE)  

**Description:**  
The LM5070SD-80 is a PoE controller designed to manage power delivery in Ethernet networks. It integrates key functions needed for IEEE 802.3af compliance, including detection, classification, and power management.  

**Applications:**  
- PoE switches  
- Midspan injectors  
- Network infrastructure power management  

For detailed electrical characteristics and application circuits, refer to the official datasheet.

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