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LTC4263CDE#PBF from LINEAR

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15.015ms

LTC4263CDE#PBF

Manufacturer: LINEAR

Single IEEE 802.3af Compliant PSE Controller with Internal Switch

Partnumber Manufacturer Quantity Availability
LTC4263CDE#PBF,LTC4263CDEPBF LINEAR 18 In Stock

Description and Introduction

Single IEEE 802.3af Compliant PSE Controller with Internal Switch The LTC4263CDE#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Package:** DFN-12  
- **Operating Temperature Range:** 0°C to 70°C  
- **Input Voltage Range:** 36V to 57V  
- **Compliance:** IEEE 802.3af PoE standard  
- **Power Management:** Integrated detection, classification, and undervoltage lockout (UVLO)  
- **Current Limit:** Programmable inrush current control  
- **Power Good Output:** Indicates valid power presence  
- **Efficiency:** High efficiency with low power dissipation  

### **Descriptions:**  
The LTC4263CDE#PBF is a PoE interface controller designed for Power Sourcing Equipment (PSE) applications. It provides a complete solution for managing power delivery in PoE systems, including detection, classification, and power control for connected devices (PDs).  

### **Features:**  
- **IEEE 802.3af Compliant:** Supports standard PoE power delivery.  
- **Programmable Current Limit:** Adjustable inrush and operating current.  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Automatic Detection & Classification:** Identifies and categorizes PDs.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Low Power Dissipation:** Optimized for efficiency.  
- **Small Footprint:** DFN-12 package for space-constrained applications.  

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

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