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LTC4269CDKD-2#PBF from LINEAR

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LTC4269CDKD-2#PBF

Manufacturer: LINEAR

IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support

Partnumber Manufacturer Quantity Availability
LTC4269CDKD-2#PBF,LTC4269CDKD2PBF LINEAR 18 In Stock

Description and Introduction

IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support The LTC4269CDKD-2#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:** LTC4269CDKD-2#PBF  
- **Package:** DFN-48  
- **Type:** IEEE 802.3af/at Compliant PoE Interface Controller  
- **Operating Voltage Range:** 36V to 57V  
- **Power Classification:** Supports both PD (Powered Device) and PSE (Power Sourcing Equipment) modes  
- **Efficiency:** High efficiency DC/DC converter  
- **Features:**  
  - Integrated switching regulator  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Supports detection, classification, and power delivery  

### **Descriptions:**  
The LTC4269CDKD-2#PBF is a versatile PoE controller designed for IEEE 802.3af/at compliant applications. It integrates detection, classification, and power management functions for both PD and PSE modes.  

### **Features:**  
- IEEE 802.3af/at compliant  
- Supports both PD and PSE operation  
- Integrated switching regulator for efficient power conversion  
- Programmable current limit for flexible power management  
- Thermal shutdown protection for safety  
- Compact DFN-48 package for space-constrained applications  

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

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