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LTC4267IGN from LT

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LTC4267IGN

Manufacturer: LT

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

Partnumber Manufacturer Quantity Availability
LTC4267IGN LT 176 In Stock

Description and Introduction

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

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Part Number:** LTC4267IGN  
- **Package:** 16-Lead SSOP  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 36V to 57V (compliant with IEEE 802.3af/at standards)  
- **Power Classification:** Supports IEEE 802.3af/at Type 1 and Type 2 PD classification  
- **Integrated Switching Regulator:** Yes  
- **Detection and Classification:** Fully compliant with IEEE 802.3af/at standards  
- **Power Good Output:** Yes  
- **Under-Voltage Lockout (UVLO):** Yes  
- **Over-Temperature Protection:** Yes  

### **Descriptions:**  
The LTC4267IGN is a PoE PD (Powered Device) interface controller designed to extract power from Ethernet cables in compliance with IEEE 802.3af/at standards. It integrates detection, classification, and an isolated switching regulator to provide a stable DC output for PD applications.  

### **Features:**  
- IEEE 802.3af/at compliant PD interface  
- Programmable classification current  
- Integrated switching regulator with isolation  
- Supports both Type 1 and Type 2 PDs  
- Power good indicator  
- Thermal shutdown protection  
- Robust fault protection (UVLO, over-temperature)  
- Compact SSOP-16 package  

For detailed electrical characteristics and application circuits, refer to the official datasheet from Analog Devices.

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