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MAX5921EESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5921EESA+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX5921EESA+ MAXIM 1500 In Stock

Description and Introduction

-48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current The MAX5921EESA+ 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 based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated (Analog Devices)  
- **Package:** 8-SOIC (150mil)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable via external resistors  
- **Detection Signature:** 25kΩ (IEEE 802.3af compliant)  
- **Classification:** Programmable (Class 0 to 4)  
- **Power Dissipation:** Low-power dissipation in PD (Powered Device) mode  
- **Compliance:** IEEE 802.3af standard  

### **Descriptions:**  
The MAX5921EESA+ is a **Powered Device (PD) controller** designed for PoE applications. It integrates detection, classification, and undervoltage lockout (UVLO) functions required for IEEE 802.3af compliance. It provides a stable DC output voltage for connected devices while ensuring safe power negotiation.  

### **Features:**  
- **Complete IEEE 802.3af Compliance:** Includes detection, classification, and UVLO.  
- **Programmable Classification:** Supports all five IEEE 802.3af power classes.  
- **Integrated Power MOSFET:** Simplifies external circuitry.  
- **Wide Input Voltage Range:** Supports 36V to 57V input.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Low Power Dissipation:** Optimized for efficiency.  
- **Compact 8-SOIC Package:** Suitable for space-constrained applications.  

This information is strictly factual and sourced from the manufacturer's documentation.

Application Scenarios & Design Considerations

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

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