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TPS54873PWPR from TI,Texas Instruments

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TPS54873PWPR

Manufacturer: TI

5V Input 8A Synchronous Buck Converter with Disabled Sinking During Start Up

Partnumber Manufacturer Quantity Availability
TPS54873PWPR TI 226 In Stock

Description and Introduction

5V Input 8A Synchronous Buck Converter with Disabled Sinking During Start Up The TPS54873PWPR is a synchronous buck converter manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 17V  
- **Output Voltage Range:** 0.76V to 7V (adjustable)  
- **Output Current:** Up to 8A continuous  
- **Switching Frequency:** 200 kHz to 1.6 MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- The TPS54873PWPR is a high-efficiency, synchronous step-down DC-DC converter with integrated MOSFETs.  
- It is designed for high-performance power supply applications, including telecom, networking, and industrial systems.  
- Features a wide input voltage range and adjustable output voltage for flexibility in various designs.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Precision Reference:** ±1% voltage reference accuracy.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft Start & Stop:** Prevents inrush current.  
- **Overcurrent & Thermal Protection:** Enhances reliability.  
- **Synchronous Rectification:** Improves efficiency.  

This information is sourced from the TI datasheet for the TPS54873PWPR.

Application Scenarios & Design Considerations

5V Input 8A Synchronous Buck Converter with Disabled Sinking During Start Up

Alternative Part Number

  • LM2678S-ADJ --: Simple switcher buck regulator with similar wide input range and adjustable output; different series name makes it easy to distinguish from the source part.
  • L5973D --: Step-down switching regulator with comparable current capability and input voltage range; different manufacturer and series provide a clear alternative.
  • MP1584EN --: Compact buck converter with similar voltage and current ratings, widely available and cost-effective; distinct naming from the original part.

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