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MAX5940BESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5940BESA+

Manufacturer: MAXIM

IEEE 802.3af PD Interface Controller for Power-Over-Ethernet

Partnumber Manufacturer Quantity Availability
MAX5940BESA+,MAX5940BESA MAXIM 99 In Stock

Description and Introduction

IEEE 802.3af PD Interface Controller for Power-Over-Ethernet The MAX5940BESA+ is a Power over Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Package:** 8-pin SOIC  
- **Operating Voltage Range:** 2.7V to 13.2V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Compliance:** IEEE 802.3af standard  
- **Detection and Classification:** Supports PD (Powered Device) detection and classification  
- **Power Management:** Integrated switching regulator controller  
- **Current Limit:** Programmable inrush current limit  

### **Descriptions:**  
The MAX5940BESA+ is designed for PoE applications, providing a complete interface for powered devices (PDs) in compliance with IEEE 802.3af. It integrates detection, classification, and a DC-DC controller to simplify PoE implementation.  

### **Features:**  
- IEEE 802.3af compliant PD interface  
- Programmable inrush current control  
- Integrated switching regulator for efficient power conversion  
- Thermal shutdown protection  
- Under-voltage lockout (UVLO)  
- Low-power detection mode  

This device is commonly used in network devices such as IP phones, wireless access points, and security cameras that require PoE functionality.

Application Scenarios & Design Considerations

IEEE 802.3af PD Interface Controller for Power-Over-Ethernet

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