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TPS51427RHBR from TI,Texas Instruments

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TPS51427RHBR

Manufacturer: TI

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power Rails 32-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51427RHBR TI 1918 In Stock

Description and Introduction

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power Rails 32-VQFN -40 to 85 The TPS51427RHBR is a synchronous buck converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 17V  
- **Output Voltage Range:** 0.76V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz to 1.2MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** VQFN-32 (5mm x 5mm)  

### **Descriptions:**  
The TPS51427RHBR is a high-efficiency, synchronous step-down DC-DC converter designed for point-of-load power supplies in computing and industrial applications. It integrates low-RDS(on) MOSFETs for improved thermal performance and supports adjustable switching frequency for optimization.  

### **Features:**  
- **Integrated MOSFETs** for reduced external component count  
- **Adjustable Soft-Start** for controlled startup  
- **Power Good Indicator** for system monitoring  
- **Overcurrent, Overtemperature, and Undervoltage Protection**  
- **Differential Remote Sensing** for improved voltage regulation  
- **Adjustable Output Voltage via Resistor Divider**  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power Rails 32-VQFN -40 to 85

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