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LTC4267CGN#PBF from LINEAR

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LTC4267CGN#PBF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LTC4267CGN#PBF,LTC4267CGNPBF LINEAR 1776 In Stock

Description and Introduction

Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator The LTC4267CGN#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:** LTC4267CGN#PBF  
- **Package:** 16-Lead SSOP  
- **Operating Temperature Range:** 0°C to 70°C  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable via external components  
- **Power Classification:** Supports IEEE 802.3af/at classification  
- **Power Dissipation:** Low power dissipation in operation  
- **Features:**  
  - Integrated detection and classification  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  
  - Supports both Type 1 (802.3af) and Type 2 (802.3at) PoE  

### **Descriptions:**  
The LTC4267CGN#PBF is a single-port Power over Ethernet (PoE) interface controller designed for use in Powered Devices (PD). It provides a complete solution for PoE power management, including detection, classification, and inrush current limiting.  

### **Features:**  
- **IEEE 802.3af/at Compliant:** Ensures compatibility with PoE standards.  
- **Detection and Classification:** Automatically negotiates power requirements.  
- **Inrush Current Limiting:** Prevents excessive current during startup.  
- **Adjustable Current Limit:** Allows customization for different applications.  
- **Thermal Protection:** Prevents overheating.  
- **Under-Voltage Lockout (UVLO):** Ensures stable operation within safe voltage ranges.  

This device is commonly used in network devices such as IP phones, wireless access points, and security cameras requiring PoE power delivery.

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