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MAX5934AEEE+ from MAX,MAXIM - Dallas Semiconductor

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MAX5934AEEE+

Manufacturer: MAX

Positive High-Voltage, Hot-Swap Controllers with Selectable Fault Management and Status Polarity

Partnumber Manufacturer Quantity Availability
MAX5934AEEE+,MAX5934AEEE MAX 70 In Stock

Description and Introduction

Positive High-Voltage, Hot-Swap Controllers with Selectable Fault Management and Status Polarity The MAX5934AEEE+ 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:** MAX5934AEEE+  
- **Package:** 16-QSOP (QSOP-16)  
- **Operating Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Power Dissipation:** Up to 13W (Class 0 to Class 3)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Compliance:** IEEE 802.3af standard  

### **Descriptions:**
The MAX5934AEEE+ 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 regulated output voltage for downstream DC-DC converters and includes thermal shutdown protection.

### **Features:**
- **IEEE 802.3af Compliant:** Supports detection and classification for PoE.  
- **Programmable Classification:** Allows setting power levels (Class 0 to Class 3).  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Undervoltage Lockout (UVLO):** Ensures safe operation under low input voltage.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Inrush Current Limiting:** Protects against excessive current during startup.  
- **Low Standby Current:** Minimizes power consumption when inactive.  

This device is commonly used in IP phones, wireless access points, and other PoE-powered equipment.  

(Note: Always refer to the official datasheet for detailed technical specifications.)

Application Scenarios & Design Considerations

Positive High-Voltage, Hot-Swap Controllers with Selectable Fault Management and Status Polarity

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