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TPS54428DDAR from TI,Texas Instruments

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TPS54428DDAR

Manufacturer: TI

4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT? Converter with Eco-mode? 8-SO PowerPAD -40 to 85

Partnumber Manufacturer Quantity Availability
TPS54428DDAR TI 378 In Stock

Description and Introduction

4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT? Converter with Eco-mode? 8-SO PowerPAD -40 to 85 The TPS54428DDAR is a synchronous buck converter manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5 V to 18 V  
- **Output Voltage Range:** 0.76 V to 7 V (adjustable)  
- **Output Current:** Up to 4 A (continuous)  
- **Switching Frequency:** 300 kHz to 2.2 MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 8-Pin SO PowerPAD (DDAR)  

### **Descriptions:**  
- The TPS54428DDAR is a high-efficiency, synchronous step-down DC-DC converter with integrated MOSFETs.  
- It is designed for applications requiring high power density and efficiency, such as point-of-load (POL) power supplies.  
- The device supports adjustable soft-start and power-good monitoring.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Wide Input Voltage Range:** Suitable for various power sources.  
- **Power-Good Output:** Provides system-level monitoring.  
- **Adjustable Soft-Start:** Prevents inrush current.  
- **Overcurrent and Overtemperature Protection:** Enhances reliability.  
- **Low Quiescent Current:** Improves light-load efficiency.  

This information is based on TI's official datasheet and product documentation.

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