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TPS51117RGYT from TEXAS

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TPS51117RGYT

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
TPS51117RGYT TEXAS 266 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 TPS51117RGYT is a synchronous buck controller manufactured by Texas Instruments (TEXAS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Supports up to 20A (with external FETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin VQFN (RGY)  

### **Descriptions:**
- The TPS51117RGYT is a high-efficiency synchronous buck controller designed for point-of-load (POL) applications.  
- It integrates gate drivers for external N-channel MOSFETs and supports adaptive on-time control for fast transient response.  
- Suitable for industrial, computing, and telecom applications.  

### **Features:**
- **Adaptive On-Time Control:** Ensures fast transient response.  
- **Adjustable Frequency:** Allows optimization for efficiency or size.  
- **Pre-Biased Output Support:** Prevents negative current during startup.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start & Soft-Stop:** Reduces inrush current.  
- **Overcurrent & Overtemperature Protection:** Enhances system reliability.  

This device is commonly used in power supplies for servers, networking equipment, and embedded systems.  

(Source: Texas Instruments Datasheet)

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
Partnumber Manufacturer Quantity Availability
TPS51117RGYT BB/TI 29669 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 TPS51117RGYT is a dual-channel synchronous buck controller from Texas Instruments (TI). Here are the key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.76V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Supports up to 10A per channel (dependent on external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin VQFN (RGY)  

### **Descriptions:**  
- The TPS51117RGYT is designed for high-efficiency, dual-output power supplies.  
- It integrates two synchronous buck controllers with adjustable frequency and soft-start.  
- Supports pre-biased output startup and power-good monitoring.  

### **Features:**  
- **Dual Independent Outputs:** Two synchronous buck controllers in one IC.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Power-Good Indicator:** Monitors output voltage status.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Pre-Biased Output Support:** Prevents negative current during startup.  
- **Protection Features:** Overcurrent, overvoltage, and thermal shutdown.  

This information is based solely on the manufacturer's datasheet and product documentation.

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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