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TPS51427ARHBR from TI,Texas Instruments

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TPS51427ARHBR

Manufacturer: TI

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power with OOB Function Disabled 32-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51427ARHBR TI 3000 In Stock

Description and Introduction

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power with OOB Function Disabled 32-VQFN -40 to 85 The TPS51427ARHBR 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:** 0.76V to 5.5V (adjustable)  
- **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 TPS51427ARHBR is a high-efficiency, synchronous step-down DC-DC converter designed for point-of-load (POL) applications.  
- It integrates low-RDS(on) MOSFETs to minimize power loss and improve thermal performance.  
- Supports adjustable output voltage through an external resistor divider.  
- Features a wide input voltage range, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Overcurrent & Overtemperature Protection:** Enhances system reliability.  
- **Synchronous Rectification:** Improves efficiency.  

This device is commonly used in networking, industrial, and computing applications requiring high-efficiency power conversion.

Application Scenarios & Design Considerations

Dual D-CAP?Mode Synchronous Step Down Controller for Notebook Power with OOB Function Disabled 32-VQFN -40 to 85

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