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TPS54386

Manufacturer: TI

4.5V to 28V Input, Dual 3A Outputs, 600kHz Step-Down Converter with Internal Compensation

Partnumber Manufacturer Quantity Availability
TPS54386 TI 90 In Stock

Description and Introduction

4.5V to 28V Input, Dual 3A Outputs, 600kHz Step-Down Converter with Internal Compensation The TPS54386 is a synchronous buck converter manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Manufacturer:** Texas Instruments  

### **Specifications:**  
- **Input Voltage Range:** 4.5 V to 28 V  
- **Output Voltage Range:** 0.76 V to 22 V (adjustable)  
- **Output Current:** Up to 3 A (continuous)  
- **Switching Frequency:** 100 kHz to 2.5 MHz (adjustable, sync-capable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-pin VSON (3 mm × 3 mm)  

### **Descriptions:**  
- The TPS54386 is a **step-down (buck) DC-DC converter** with integrated high-side and low-side MOSFETs.  
- It is designed for **high-efficiency power conversion** in industrial, automotive, and consumer applications.  
- Features **adjustable soft-start** and **power-good monitoring** for controlled startup.  
- Supports **synchronization to an external clock** for noise-sensitive applications.  

### **Key Features:**  
- **Integrated 85-mΩ/45-mΩ MOSFETs** (high-side/low-side)  
- **Adjustable switching frequency** (100 kHz to 2.5 MHz)  
- **Wide input voltage range** (4.5 V to 28 V)  
- **Precision enable and power-good indicator**  
- **Cycle-by-cycle current limit and thermal shutdown**  
- **Low quiescent current** (40 µA in shutdown mode)  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4.5V to 28V Input, Dual 3A Outputs, 600kHz Step-Down Converter with Internal Compensation

Alternative Part Number

  • LM5145 --: Wide-input synchronous buck controller from a different TI series, offering similar step-down regulation for multi-rail supplies.
  • MPQ4436 --: Integrated synchronous buck converter with comparable current capability and a different naming series, suitable as a functional substitute.
  • LTC3855 --: Dual-output multiphase synchronous buck controller with similar application profile, from a distinct product family.
  • ISL8120 --: Dual-channel synchronous buck controller offering comparable voltage and current ratings, usable as an alternative from a different manufacturer and series.

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