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TPS51427ARHBT from TI,Texas Instruments

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TPS51427ARHBT

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
TPS51427ARHBT TI 180 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 TPS51427ARHBT 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:** 32-VQFN (5mm x 5mm)  

### **Descriptions:**  
The TPS51427ARHBT is a high-efficiency, synchronous step-down DC-DC converter designed for point-of-load applications. It integrates low-side and high-side MOSFETs, reducing external component count. It supports adjustable output voltage and frequency, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated MOSFETs** (low RDS(on) for high efficiency)  
- **Adjustable Soft-Start**  
- **Pre-Biased Output Startup**  
- **Power Good Indicator**  
- **Overcurrent & Overtemperature Protection**  
- **Adjustable Switching Frequency** (300kHz to 1.2MHz)  
- **Forced PWM & Eco-mode Operation**  

This device is commonly used in servers, networking equipment, and industrial applications.  

(Source: Texas Instruments Datasheet)

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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