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LTC4257CS8-1#PBF from LINEAR

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LTC4257CS8-1#PBF

Manufacturer: LINEAR

IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit

Partnumber Manufacturer Quantity Availability
LTC4257CS8-1#PBF,LTC4257CS81PBF LINEAR 528 In Stock

Description and Introduction

IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit The LTC4257CS8-1#PBF is a product from **Linear Technology (now part of Analog Devices)**.  

### **Specifications:**  
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Package:** 8-Lead SOIC  
- **Type:** Hot Swap Controller  
- **Operating Voltage Range:** 2.9V to 15V  
- **Current Limit Adjustable:** Yes  
- **Fault Protection:** Overcurrent, Undervoltage, Overvoltage  
- **Operating Temperature Range:** 0°C to 70°C  

### **Descriptions:**  
The LTC4257CS8-1#PBF is a **negative voltage hot swap controller** designed to safely insert and remove circuit boards from live backplanes. It provides protection against inrush current, overcurrent, undervoltage, and overvoltage conditions.  

### **Features:**  
- **Adjustable Current Limit**  
- **Fast Response to Faults**  
- **Programmable Undervoltage (UV) and Overvoltage (OV) Thresholds**  
- **Low Quiescent Current**  
- **SOIC-8 Package for Space Efficiency**  

This device is commonly used in **telecom, networking, and industrial applications** where hot swapping is required.  

Would you like additional details on pin configurations or application notes?

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