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LTC4269IDKD-1#PBF from LT

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LTC4269IDKD-1#PBF

Manufacturer: LT

IEEE 802.3at High Power PD and No-Opto Flyback Controller with AUX Support

Partnumber Manufacturer Quantity Availability
LTC4269IDKD-1#PBF,LTC4269IDKD1PBF LT 238 In Stock

Description and Introduction

IEEE 802.3at High Power PD and No-Opto Flyback Controller with AUX Support The LTC4269IDKD-1#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Package:** 36-WFDFN Exposed Pad  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 2.9V to 14V  
- **Compliance:** IEEE 802.3af/at compliant  
- **Power Classification:** Supports up to 25.5W (Class 4)  
- **Current Limit:** Adjustable  
- **Interface:** I²C for configuration and monitoring  

### **Descriptions:**  
The LTC4269IDKD-1#PBF is a PoE PD (Powered Device) controller designed for high-power applications. It integrates detection, classification, and inrush current limiting for IEEE 802.3af/at compliant systems. It also provides undervoltage lockout (UVLO) and thermal shutdown protection.  

### **Features:**  
- **IEEE 802.3af/at Compliant**  
- **Supports High-Power Applications (up to 25.5W)**  
- **Adjustable Current Limit**  
- **Integrated Detection and Classification**  
- **I²C Programmable Features**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **36-Lead DFN Package**  

This device is commonly used in network switches, IP cameras, wireless access points, and other PoE-powered equipment.

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