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MAX5947BESA from MAX,MAXIM - Dallas Semiconductor

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MAX5947BESA

Manufacturer: MAX

Positive High-Voltage, Hot-Swap Controllers

Partnumber Manufacturer Quantity Availability
MAX5947BESA MAX 2 In Stock

Description and Introduction

Positive High-Voltage, Hot-Swap Controllers The MAX5947BESA is a power-over-Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  
- **Detection Voltage Range:** 2.7V to 10V  
- **Classification Current:** Programmable (IEEE 802.3af compliant)  
- **Power Dissipation:** 1.2W (typical)  
- **Integrated Power MOSFET:** Yes (for PD interface)  
- **Under-Voltage Lockout (UVLO):** Yes (adjustable)  
- **Over-Current Protection:** Yes  

### **Descriptions:**  
The MAX5947BESA is designed for use in Powered Devices (PD) in PoE systems, providing a complete interface between the Ethernet cable and the DC-DC converter. It integrates detection, classification, and inrush current control for IEEE 802.3af compliance.  

### **Features:**  
- IEEE 802.3af compliant  
- Integrated detection and classification  
- Programmable inrush current control  
- Thermal shutdown protection  
- Low-power dissipation  
- Adjustable UVLO threshold  
- Supports both 2-event and 4-event classification  

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

Application Scenarios & Design Considerations

Positive High-Voltage, Hot-Swap Controllers

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