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LT1374CS8-5 from LT

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LT1374CS8-5

Manufacturer: LT

4.5A/ 500kHz Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LT1374CS8-5,LT1374CS85 LT 30 In Stock

Description and Introduction

4.5A/ 500kHz Step-Down Switching Regulator The LT1374CS8-5 is a high-efficiency switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5V  
- **Input Voltage Range:** 3.5V to 30V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Lead SOIC (SO-8)  

### **Descriptions:**
The LT1374CS8-5 is a monolithic, high-performance, step-down (buck) switching regulator. It integrates a high-current switch and control circuitry, making it suitable for high-efficiency power conversion applications. The fixed 5V output version simplifies design by eliminating the need for external feedback resistors.

### **Features:**
- **High Efficiency:** Minimizes power loss with synchronous rectification.  
- **Wide Input Voltage Range:** Supports operation from 3.5V to 30V.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output.  
- **Built-in Protection:** Includes thermal shutdown and current limiting.  
- **500kHz Switching Frequency:** Allows for smaller external components.  
- **Burst Mode® Operation:** Enhances efficiency at light loads.  
- **Soft-Start Function:** Reduces inrush current during startup.  

This regulator is commonly used in battery-powered systems, industrial equipment, and automotive applications where efficient power conversion is critical.

Application Scenarios & Design Considerations

4.5A/ 500kHz Step-Down Switching Regulator

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