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MAX5941BESE from MAXIN,MAXIM - Dallas Semiconductor

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MAX5941BESE

Manufacturer: MAXIN

IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices

Partnumber Manufacturer Quantity Availability
MAX5941BESE MAXIN 120 In Stock

Description and Introduction

IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices The **MAX5941BESE** is a Power over Ethernet (PoE) interface controller manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX5941BESE  
- **Package:** 16-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Power Dissipation:** 727mW  
- **Operating Temperature Range:** -40°C to +85°C  
- **Detection Voltage Range:** 2.7V to 10V  
- **Classification Current:** Adjustable per IEEE 802.3af  

### **Descriptions:**
- The **MAX5941BESE** is a **Powered Device (PD) controller** designed for PoE applications.  
- It provides **detection, classification, and undervoltage lockout (UVLO)** functions required for IEEE 802.3af compliance.  
- The device integrates a **power MOSFET** for inrush current control and switching.  
- It supports **automatic detection and classification** of PDs in PoE systems.  

### **Features:**
- **IEEE 802.3af Compliant** – Ensures compatibility with standard PoE systems.  
- **Integrated Power MOSFET** – Simplifies design by eliminating the need for an external switch.  
- **Programmable Classification** – Allows setting PD power requirements.  
- **Inrush Current Control** – Limits current during power-up to prevent system damage.  
- **Thermal Shutdown Protection** – Prevents overheating.  
- **Low-Power Standby Mode** – Reduces power consumption when inactive.  
- **Wide Input Voltage Range** – Supports standard PoE voltage levels (36V–57V).  

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

Application Scenarios & Design Considerations

IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices

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