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MAX5984AETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5984AETI+

Manufacturer: MAXIM

Single-Port, 40W, IEEE 802.3af/at PSE Controller with Integrated MOSFET

Partnumber Manufacturer Quantity Availability
MAX5984AETI+,MAX5984AETI MAXIM 2 In Stock

Description and Introduction

Single-Port, 40W, IEEE 802.3af/at PSE Controller with Integrated MOSFET The **MAX5984AETI+** is a Power over Ethernet (PoE) interface controller manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Part Number:** MAX5984AETI+  
- **Package:** 28-TQFN-EP (5x5)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 12V to 57V  
- **Compliance:** IEEE 802.3af/at compliant  
- **Power Classification:** Supports up to **Class 4 (25.5W)**  
- **Detection & Classification:** Integrated PD detection and classification  
- **Current Limit:** Adjustable (default 400mA)  
- **Power Dissipation:** Low-power dissipation in standby mode  

### **Descriptions:**  
The MAX5984AETI+ is a **Powered Device (PD) controller** designed for PoE applications. It provides a complete interface for PDs requiring power from Power Sourcing Equipment (PSE) in compliance with IEEE 802.3af/at standards. It includes detection, classification, undervoltage lockout (UVLO), and inrush current limiting.  

### **Features:**  
- **IEEE 802.3af/at compliant**  
- **Integrated 100V, 0.4Ω power MOSFET**  
- **Programmable current limit (default 400mA)**  
- **Supports high-power applications (up to 25.5W)**  
- **Low standby power consumption**  
- **Thermal shutdown protection**  
- **Inrush current control**  
- **Supports auxiliary power input (12V to 57V)**  
- **Compact 28-TQFN-EP package**  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Single-Port, 40W, IEEE 802.3af/at PSE Controller with Integrated MOSFET

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