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TPS51220ARTVT from TI,Texas Instruments

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TPS51220ARTVT

Manufacturer: TI

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Pwr Controller 32-WQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51220ARTVT TI 529 In Stock

Description and Introduction

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Pwr Controller 32-WQFN -40 to 85 The TPS51220ARTVT is a synchronous buck controller manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Output Current:** Up to 20A (with external FETs)  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin WQFN (3mm × 3mm)  

### **Descriptions:**  
The TPS51220ARTVT is a high-performance synchronous buck controller designed for point-of-load (POL) applications. It supports high-current output with external power MOSFETs and provides precise voltage regulation.  

### **Features:**  
- **D-CAP3™ Control Mode** for fast transient response  
- **Adjustable Soft-Start** for controlled startup  
- **Pre-Bias Startup** capability  
- **Power Good Indicator** for monitoring output status  
- **Overcurrent Protection (OCP)** and **Overvoltage Protection (OVP)**  
- **Thermal Shutdown** for safety  
- **Low Quiescent Current** in standby mode  

This device is commonly used in servers, storage systems, and telecom infrastructure.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Pwr Controller 32-WQFN -40 to 85

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