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MAX5944ESE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5944ESE+

Manufacturer: MAXIM

Dual FireWire Current Limiter and Low-Drop ORing Switch Controller

Partnumber Manufacturer Quantity Availability
MAX5944ESE+ MAXIM 12 In Stock

Description and Introduction

Dual FireWire Current Limiter and Low-Drop ORing Switch Controller The MAX5944ESE+ is a power management IC manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 16-SOIC (0.154", 3.90mm Width)  
- **Operating Temperature:** -40°C to +85°C  
- **Mounting Type:** Surface Mount  
- **Applications:** Power over Ethernet (PoE) Powered Devices (PD)  
- **Input Voltage Range:** 0V to 57V  
- **Output Voltage:** Programmable (via external resistors)  
- **Current Limit:** Adjustable  
- **Compliance:** IEEE 802.3af Standard  

### **Descriptions:**  
The MAX5944ESE+ is a highly integrated power management IC designed for Power over Ethernet (PoE) applications. It provides a complete interface for a Powered Device (PD) to comply with the IEEE 802.3af standard. The IC includes detection, classification, and undervoltage lockout (UVLO) functions, along with an integrated switching regulator controller for efficient DC-DC conversion.  

### **Features:**  
- **IEEE 802.3af Compliant:** Supports detection and classification.  
- **Integrated Switching Controller:** Supports flyback, forward, or buck topologies.  
- **Programmable Output Voltage:** Adjustable via external resistors.  
- **Adjustable Current Limit:** Protects against overload conditions.  
- **Thermal Protection:** Prevents overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Low Standby Power Consumption:** Optimized for efficiency.  

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

Application Scenarios & Design Considerations

Dual FireWire Current Limiter and Low-Drop ORing Switch Controller

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