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TPS54383PWPRG4 from TI/BB,Texas Instruments

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TPS54383PWPRG4

Manufacturer: TI/BB, TI

4.5V to 28V Input, Dual 3A Outputs, 300kHz Step-Down Converter with Internal Compensation 14-HTSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
TPS54383PWPRG4 TI/BB, TI 65 In Stock

Description and Introduction

4.5V to 28V Input, Dual 3A Outputs, 300kHz Step-Down Converter with Internal Compensation 14-HTSSOP -40 to 125 The TPS54383PWPRG4 is a synchronous buck converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 22V (adjustable)  
- **Output Current:** Up to 3A (continuous)  
- **Switching Frequency:** 100 kHz to 2.5 MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** HTSSOP-20 (PowerPAD™)  

### **Descriptions:**
- The TPS54383PWPRG4 is a high-efficiency, synchronous step-down DC-DC converter with integrated MOSFETs.  
- It supports a wide input voltage range, making it suitable for industrial, automotive, and telecom applications.  
- The device features adjustable soft-start, frequency synchronization, and power-good output.  

### **Features:**
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Power-Good Output:** Monitors output voltage status.  
- **Adjustable Soft-Start:** Prevents inrush current at startup.  
- **Frequency Synchronization:** Minimizes noise interference.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  

This information is sourced from TI's official documentation.

Application Scenarios & Design Considerations

4.5V to 28V Input, Dual 3A Outputs, 300kHz Step-Down Converter with Internal Compensation 14-HTSSOP -40 to 125

Alternative Part Number

  • LM5145RGYR --: Wide-input synchronous buck controller with similar dual-channel buck functionality and integrated drivers, suitable drop-in for many TPS54383 applications.
  • LTC3855EUH --: Dual-output synchronous step-down controller with comparable input voltage range and current-mode control, a strong cross-vendor alternative.
  • ISL8120IRZ --: Dual-channel synchronous buck controller offering similar voltage and current ratings, usable as a functional replacement with layout adjustments.
  • TPS40305DRCR --: Synchronous buck controller from a different TI family offering comparable dual-channel power conversion functionality.
  • ISL8117AFRZ --: Cross-vendor synchronous buck controller with wide input range, usable as a functional substitute when TI parts are unavailable.

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