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TPS54331DRG4 from TI,Texas Instruments

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15.625ms

TPS54331DRG4

Manufacturer: TI

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode 8-SOIC -40 to 150

Partnumber Manufacturer Quantity Availability
TPS54331DRG4 TI 80 In Stock

Description and Introduction

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode 8-SOIC -40 to 150 The TPS54331DRG4 is a step-down (buck) DC-DC converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 3.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Output Current:** Up to 3A (continuous)  
- **Switching Frequency:** 570 kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin SOIC (DRG4)  

### **Descriptions:**  
- The TPS54331DRG4 is a synchronous buck converter with integrated high-side and low-side MOSFETs.  
- It features a wide input voltage range, making it suitable for various industrial, automotive, and consumer applications.  
- The device includes fixed-frequency voltage-mode control for stable operation.  

### **Features:**  
- **Integrated MOSFETs** (30mΩ high-side, 19mΩ low-side)  
- **Adjustable Soft-Start** to limit inrush current  
- **Undervoltage Lockout (UVLO)** for protection  
- **Thermal Shutdown** and **Overcurrent Protection**  
- **Frequency Synchronization** capability  
- **Low Quiescent Current** in shutdown mode (1.5µA typical)  

This device is commonly used in power supplies for point-of-load regulation, industrial systems, and embedded computing applications.

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