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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+,MAX5945EAX MAXIM 1 In Stock

Description and Introduction

Quad Network Power Controller for Power-Over-LAN The MAX5945EAX+ is a power management IC manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX5945EAX+  
- **Type:** Power over Ethernet (PoE) PD Interface Controller  
- **Package:** 36-pin SSOP (Shrink Small Outline Package)  
- **Operating Voltage Range:** 2.7V to 13.2V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Compliance:** IEEE 802.3af compliant  

### **Descriptions:**  
The MAX5945EAX+ is a Power over Ethernet (PoE) Powered Device (PD) interface controller designed for applications requiring IEEE 802.3af compliance. It integrates detection, classification, and undervoltage lockout (UVLO) functions to safely manage power delivery from a Power Sourcing Equipment (PSE) to a PD.  

### **Features:**  
- **IEEE 802.3af Compliant:** Supports detection, classification, and inrush current control.  
- **Integrated Power MOSFET:** Includes a low-resistance external power MOSFET driver for efficient power transfer.  
- **Programmable Classification:** Allows current classification for power negotiation.  
- **Undervoltage Lockout (UVLO):** Ensures safe operation by preventing power delivery below the specified voltage.  
- **Thermal Protection:** Includes thermal shutdown to prevent overheating.  
- **Low Power Dissipation:** Optimized for minimal power loss.  
- **Wide Input Voltage Range:** Supports operation from 2.7V to 13.2V.  

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

Application Scenarios & Design Considerations

Quad Network Power Controller for Power-Over-LAN

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