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LTC4268CDKD-1 from LINEAR

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LTC4268CDKD-1

Manufacturer: LINEAR

High Power PD with Synchronous NoOpto Flyback Controller

Partnumber Manufacturer Quantity Availability
LTC4268CDKD-1,LTC4268CDKD1 LINEAR 20 In Stock

Description and Introduction

High Power PD with Synchronous NoOpto Flyback Controller The LTC4268CDKD-1 is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Function:** IEEE 802.3af-compliant PD (Powered Device) controller  
- **Operating Voltage Range:** 36V to 57V (PoE input)  
- **Output Voltage:** Adjustable via external resistors  
- **Power Classification:** Supports detection and classification per IEEE 802.3af  
- **Package:** 36-Lead SSOP (Shrink Small Outline Package)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Features:**  
  - Integrated switching regulator  
  - Programmable current limit  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  

### **Descriptions:**  
The LTC4268CDKD-1 is designed for PoE applications, providing a complete interface for powered devices. It integrates detection, classification, and a DC/DC converter to deliver a stable output voltage from the PoE input.  

### **Features:**  
- IEEE 802.3af compliant  
- Supports detection and classification  
- Adjustable output voltage  
- Integrated switching regulator  
- Thermal shutdown protection  
- Under-voltage lockout (UVLO)  
- Programmable current limit  

This device is commonly used in network equipment such as IP phones, wireless access points, and security cameras.

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