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MAX5940AESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5940AESA+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX5940AESA+,MAX5940AESA MAXIM 656 In Stock

Description and Introduction

IEEE 802.3af PD Interface Controller for Power-Over-Ethernet The MAX5940AESA+ is a Power over Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX5940AESA+  
- **Package:** 8-SOIC (150mil)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 0V to 80V  
- **Output Voltage:** Adjustable  
- **Compliance:** IEEE 802.3af compliant  

### **Descriptions:**  
The MAX5940AESA+ is a Power over Ethernet (PoE) interface controller designed for use in Powered Devices (PDs). It integrates detection, classification, and undervoltage lockout (UVLO) functions required for IEEE 802.3af compliance. It provides a regulated output voltage for PD applications.  

### **Features:**  
- **IEEE 802.3af Compliant** – Supports detection and classification.  
- **Integrated Power MOSFET** – Simplifies design and reduces external components.  
- **Programmable Classification Current** – Allows power negotiation.  
- **Undervoltage Lockout (UVLO)** – Ensures safe operation.  
- **Thermal Shutdown Protection** – Prevents overheating.  
- **Wide Input Voltage Range (0V to 80V)** – Supports PoE applications.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

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