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MAX5921BESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX5921BESA

Manufacturer: MAXIM

-48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current

Partnumber Manufacturer Quantity Availability
MAX5921BESA MAXIM 22 In Stock

Description and Introduction

-48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current The MAX5921BESA 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:** MAX5921BESA  
- **Package:** 8-pin SOIC  
- **Operating Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Detection Voltage:** 2.7V to 10V  
- **Classification Current:** Programmable (IEEE 802.3af compliant)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX5921BESA is a power sourcing equipment (PSE) controller designed for PoE applications. It provides detection, classification, and power management for powered devices (PDs) in compliance with IEEE 802.3af standards. It integrates necessary functions for safe power delivery over Ethernet cables.

### **Features:**
- **IEEE 802.3af Compliant:** Supports detection, classification, and power management.  
- **Programmable Classification:** Adjustable classification current for PD power requirements.  
- **Low Power Dissipation:** Optimized for efficient power delivery.  
- **Integrated Protection:** Includes thermal shutdown, current limit, and undervoltage lockout (UVLO).  
- **Automatic Detection:** Ensures only valid PDs receive power.  
- **Compact Package:** 8-pin SOIC for space-constrained applications.  

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

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