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LTC4267IDHC#TRPBF from LINEAR

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LTC4267IDHC#TRPBF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LTC4267IDHC#TRPBF,LTC4267IDHCTRPBF LINEAR 290 In Stock

Description and Introduction

Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator The LTC4267IDHC#TRPBF is a Power over Ethernet (PoE) interface IC manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Package:** DFN-16  
- **Type:** IEEE 802.3af PoE PD Interface Controller  
- **Operating Voltage Range:** 2.9V to 14V  
- **Detection Signature:** 25kΩ  
- **Classification:** Programmable (Class 0 to 4)  
- **Power Good Output:** Yes  
- **Under-Voltage Lockout (UVLO):** Adjustable  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LTC4267IDHC#TRPBF is a complete IEEE 802.3af-compliant Power over Ethernet (PoE) Powered Device (PD) interface controller. It integrates detection, classification, and a high-efficiency switching regulator controller for isolated flyback or non-isolated buck converter applications.  

### **Features:**  
- **IEEE 802.3af Compliance:** Supports detection and classification.  
- **Integrated Switching Controller:** Supports both isolated and non-isolated topologies.  
- **Programmable Classification:** Allows power negotiation.  
- **Power Good Indicator:** Monitors output voltage.  
- **Thermal Protection:** Prevents overheating.  
- **Low Power Dissipation:** Optimized for efficiency.  
- **Compact Package:** DFN-16 for space-constrained applications.  

This IC is designed for PoE-powered devices such as IP phones, wireless access points, and security cameras.

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