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TPS51117RGYRG4 from TEXAS

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TPS51117RGYRG4

Manufacturer: TEXAS

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51117RGYRG4 TEXAS 506 In Stock

Description and Introduction

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85 The TPS51117RGYRG4 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:** Adjustable from 0.76V to 5.5V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Supports up to 10A (dependent on external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Package:** 24-pin VQFN (RGY)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TPS51117RGYRG4 is a high-efficiency synchronous buck controller designed for notebook and industrial applications.  
- It integrates gate drivers for external N-channel MOSFETs and supports adaptive on-time control for fast transient response.  
- Features include adjustable soft-start, power-good output, and overcurrent/overvoltage protection.  

### **Features:**  
- **Adaptive On-Time Control:** Improves transient response.  
- **Adjustable Frequency:** 300kHz to 1MHz for optimization of efficiency and size.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Protections:** Overcurrent, overvoltage, and thermal shutdown.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

This device is commonly used in notebook PCs, embedded systems, and point-of-load (POL) power supplies.

Application Scenarios & Design Considerations

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85

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