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TPS51427RHBT from TI,Texas Instruments

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TPS51427RHBT

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS51427RHBT TI 600 In Stock

Description and Introduction

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power Rails 32-VQFN -40 to 85 The TPS51427RHBT is a synchronous buck converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V 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:** 32-pin VQFN (RHBT)  

### **Descriptions:**  
- The TPS51427RHBT is a high-efficiency, synchronous step-down DC-DC converter.  
- It integrates low-RDS(on) MOSFETs for improved power efficiency.  
- Supports adjustable soft-start and power-good monitoring.  
- Designed for space-constrained applications.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Power-Good Output:** Monitors output voltage status.  
- **Overcurrent & Thermal Protection:** Enhances system reliability.  
- **Adjustable Soft-Start:** Prevents inrush current at startup.  
- **Low Quiescent Current:** Improves light-load efficiency.  

This device is commonly used in point-of-load (POL) regulation, networking, and industrial applications.

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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