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TPS54331 from TI,Texas Instruments

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TPS54331

Manufacturer: TI

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode

Partnumber Manufacturer Quantity Availability
TPS54331 TI 39698 In Stock

Description and Introduction

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode The TPS54331 is a step-down (buck) DC-DC converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 3.5 V to 28 V  
- **Output Voltage Range:** Adjustable down to 0.8 V  
- **Output Current:** Up to 3 A (continuous)  
- **Switching Frequency:** 570 kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package Options:** SOIC-8 (DDA), MSOP-PowerPAD-8 (DHC)  

### **Descriptions:**  
- The TPS54331 is a **synchronous buck converter** with integrated high-side and low-side MOSFETs.  
- It operates in **current-mode control** for improved transient response and stability.  
- Designed for **high-efficiency power conversion** in industrial, automotive, and consumer applications.  
- Includes **thermal shutdown, UVLO (Undervoltage Lockout), and cycle-by-cycle current limiting** for protection.  

### **Features:**  
- **Wide Input Voltage Range** (3.5 V to 28 V)  
- **Integrated 80-mΩ/42-mΩ MOSFETs** (high-side/low-side)  
- **Adjustable Soft-Start** for controlled startup  
- **Fixed 570-kHz Switching Frequency**  
- **100% Duty Cycle for Lowest Dropout**  
- **Power Good Output** for system monitoring  
- **Available in Small Footprint Packages** (SOIC-8, MSOP-PowerPAD-8)  

This information is strictly factual from the TI datasheet for the TPS54331. Let me know if you need further details.

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