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TPS51125RGETG4 from TI,Texas Instruments

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TPS51125RGETG4

Manufacturer: TI

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51125RGETG4 TI 919 In Stock

Description and Introduction

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85 The TPS51125RGETG4 is a synchronous buck controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.76V to 5.5V (adjustable)  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Output Current:** Supports up to 25A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-VQFN (4mm x 4mm)  

### **Descriptions:**  
The TPS51125RGETG4 is a high-efficiency synchronous buck controller designed for point-of-load (POL) applications. It provides precise voltage regulation and supports high-current output when paired with external power MOSFETs.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Programmable Soft-Start** to reduce inrush current  
- **Power Good (PG) Indicator** for system monitoring  
- **Overcurrent Protection (OCP)** and **Overvoltage Protection (OVP)**  
- **Pre-Bias Startup** capability for sequencing requirements  
- **Differential Remote Sensing** for improved voltage regulation  

This controller is commonly used in networking, telecom, and industrial applications requiring high-performance power conversion.

Application Scenarios & Design Considerations

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85

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