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TPS5431DDAR from TI,Texas Instruments

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TPS5431DDAR

Manufacturer: TI

5.5V to 23V Input, 3A, 500kHz Step-Down Converter 8-SO PowerPAD -40 to 125

Partnumber Manufacturer Quantity Availability
TPS5431DDAR TI 9900 In Stock

Description and Introduction

5.5V to 23V Input, 3A, 500kHz Step-Down Converter 8-SO PowerPAD -40 to 125 The TPS5431DDAR is a step-down (buck) DC-DC converter manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 5.5V to 36V  
- **Output Voltage Range:** Adjustable down to 1.22V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500 kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (DDAR)  

### **Descriptions:**  
The TPS5431DDAR is a high-efficiency, 3A synchronous buck converter with integrated high-side and low-side MOSFETs. It is designed for a wide input voltage range, making it suitable for industrial, automotive, and consumer applications. The device features fixed-frequency PWM control for stable operation and includes protection features such as thermal shutdown, overcurrent protection, and undervoltage lockout.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Fixed-Frequency PWM Control:** Ensures stable operation.  
- **Protection Features:**  
  - Thermal shutdown  
  - Overcurrent protection  
  - Undervoltage lockout (UVLO)  
- **Low Quiescent Current:** Improves efficiency at light loads.  
- **Soft-Start:** Reduces inrush current during startup.  

For detailed technical information, refer to the official TI datasheet.

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