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LTC4267IDHC-3 from LINEAR

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LTC4267IDHC-3

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LTC4267IDHC-3,LTC4267IDHC3 LINEAR 197 In Stock

Description and Introduction

Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator The LTC4267IDHC-3 is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Part Number:** LTC4267IDHC-3  
- **Package:** DFN-16 (5mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Up to 57V (PoE compliant)  
- **Power Classification:** Supports IEEE 802.3af/at PoE standards  
- **Integrated Features:**  
  - Detection and classification for PD (Powered Device)  
  - Inrush current control  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  

### **Descriptions:**  
The LTC4267IDHC-3 is a PoE PD controller designed to manage power delivery in IEEE 802.3af/at compliant systems. It provides detection, classification, and inrush current limiting for safe power-up of connected devices.  

### **Features:**  
- **IEEE 802.3af/at Compliant:** Supports both legacy and high-power PoE applications.  
- **Low Power Dissipation:** Optimized for efficiency.  
- **Robust Protection:** Includes thermal shutdown and UVLO.  
- **Compact Package:** DFN-16 for space-constrained applications.  

For detailed electrical characteristics, refer to the official datasheet.

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