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TPS2377DR-1 from TI,Texas Instruments

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TPS2377DR-1

Manufacturer: TI

IEEE 802.3af PoE Powered Device Controllers 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
TPS2377DR-1,TPS2377DR1 TI 5000 In Stock

Description and Introduction

IEEE 802.3af PoE Powered Device Controllers 8-SOIC -40 to 85 The TPS2377DR-1 is a Power over Ethernet (PoE) Powered Device (PD) interface and DC-DC controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range (PoE):** 36V to 57V  
- **Output Voltage:** Adjustable via external components  
- **Maximum Output Current:** Depends on external MOSFET and inductor selection  
- **IEEE Compliance:** IEEE 802.3af/at compliant  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 8-pin SOIC (DR)  

### **Descriptions:**  
The TPS2377DR-1 integrates a PD interface and a current-mode DC-DC controller, enabling efficient power conversion for PoE applications. It supports detection, classification, and inrush current limiting as per IEEE 802.3af/at standards.  

### **Features:**  
- **Integrated PD Interface:** Supports IEEE 802.3af/at compliance  
- **Current-Mode DC-DC Controller:** Optimized for flyback or forward converters  
- **Programmable Inrush Current Limit:** Prevents excessive current during startup  
- **Thermal Shutdown Protection:** Safeguards against overheating  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range  
- **Low Standby Power Consumption:** Enhances efficiency  

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

Application Scenarios & Design Considerations

IEEE 802.3af PoE Powered Device Controllers 8-SOIC -40 to 85

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