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LTC4267IGN-3#PBF from LINEAR

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LTC4267IGN-3#PBF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LTC4267IGN-3#PBF,LTC4267IGN3PBF LINEAR 15 In Stock

Description and Introduction

Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator The LTC4267IGN-3#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Part Number:** LTC4267IGN-3#PBF  
- **Package:** 24-Lead SSOP  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 36V to 57V (compliant with IEEE 802.3af/at standards)  
- **Output Voltage:** Adjustable  
- **Power Classification:** Supports PD (Powered Device) classification per IEEE 802.3af/at  
- **Detection and Classification:** Integrated detection and classification functions  
- **Isolation:** Supports high-voltage isolation for PoE applications  
- **Efficiency:** High efficiency with low power dissipation  
- **Protection Features:** Overcurrent, overvoltage, and thermal protection  

### **Descriptions:**  
The LTC4267IGN-3#PBF is a PoE interface controller designed for IEEE 802.3af/at compliant Powered Devices (PDs). It integrates detection, classification, and a high-efficiency switching regulator to deliver power from an Ethernet cable to the connected device.  

### **Features:**  
- **IEEE 802.3af/at Compliant:** Supports PoE and PoE+ standards  
- **Integrated Switching Regulator:** Provides efficient power conversion  
- **Programmable Classification:** Allows power negotiation with PSE (Power Sourcing Equipment)  
- **Low Power Dissipation:** Optimized for minimal heat generation  
- **Robust Protection:** Includes overcurrent, overvoltage, and thermal shutdown  
- **Compact Package:** 24-Lead SSOP for space-constrained applications  

This information is based on the manufacturer's datasheet and technical documentation.

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