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LTC4267CGN-3#PBF from LINEAR

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LTC4267CGN-3#PBF

Manufacturer: LINEAR

Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator

Partnumber Manufacturer Quantity Availability
LTC4267CGN-3#PBF,LTC4267CGN3PBF LINEAR 577 In Stock

Description and Introduction

Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator The LTC4267CGN-3#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC4267CGN-3#PBF  
- **Type:** PoE PD (Powered Device) Controller  
- **Package:** 16-Lead SSOP  
- **Operating Voltage Range:** 2.9V to 57V  
- **Compliance:** IEEE 802.3af/at compliant  
- **Classification:** Supports Class 0 to Class 4  
- **Power Dissipation:** Up to 25.5W (802.3at)  
- **Integrated Switching Regulator:** Yes  
- **Detection Signature:** 25kΩ resistor  
- **Operating Temperature Range:** -40°C to 85°C  

### **Descriptions:**  
The LTC4267CGN-3#PBF is a single-port PoE PD controller designed to extract power from Ethernet cables in compliance with IEEE 802.3af/at standards. It includes a detection signature resistor, classification current source, and an integrated switching regulator for efficient power conversion.  

### **Features:**  
- IEEE 802.3af/at compliant  
- Integrated 25kΩ detection signature  
- Programmable classification (Class 0-4)  
- Wide input voltage range (2.9V to 57V)  
- Supports high-power applications (up to 25.5W)  
- Built-in switching regulator for power conversion  
- Thermal shutdown protection  
- Robust fault protection (UVLO, OVLO, overcurrent)  

This information is strictly factual and sourced from the manufacturer's datasheet.

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