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MAX5945EAX from MAXIM,MAXIM - Dallas Semiconductor

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MAX5945EAX

Manufacturer: MAXIM

Quad Network Power Controller for Power-Over-LAN

Partnumber Manufacturer Quantity Availability
MAX5945EAX MAXIM 41 In Stock

Description and Introduction

Quad Network Power Controller for Power-Over-LAN The MAX5945EAX is a Power over Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable via external resistor  
- **Detection & Classification:** Supports IEEE 802.3af-compliant PD detection and classification  
- **Power Dissipation:** Low-power dissipation in PD mode  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 36-pin SSOP  

### **Descriptions:**  
The MAX5945EAX is designed for Power over Ethernet (PoE) applications, providing a complete interface for powered devices (PDs). It integrates detection, classification, and a switching regulator to deliver efficient power conversion from the Ethernet line to the PD.  

### **Features:**  
- **IEEE 802.3af Compliance:** Supports detection and classification per the PoE standard.  
- **Integrated Switching Regulator:** Includes a DC-DC controller for efficient power conversion.  
- **Programmable Output Voltage:** Adjustable via an external resistor.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the PoE voltage range.  
- **Thermal Protection:** Built-in safeguards against overheating.  
- **Low Power Consumption:** Optimized for energy efficiency.  

For detailed electrical characteristics and application circuits, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

Quad Network Power Controller for Power-Over-LAN

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