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LT1374HVCFE#PBF from LINEAR

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LT1374HVCFE#PBF

Manufacturer: LINEAR

4.5A, 500kHz Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LT1374HVCFE#PBF,LT1374HVCFEPBF LINEAR 28 In Stock

Description and Introduction

4.5A, 500kHz Step-Down Switching Regulator The LT1374HVCFE#PBF is a high voltage, high efficiency switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.5V to 60V  
- **Output Voltage Range:** Adjustable from 1.25V to 50V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Protection Features:** Overcurrent, thermal shutdown, and reverse battery protection  

### **Descriptions:**  
The LT1374HVCFE#PBF is a high-performance step-down (buck) switching regulator designed for high input voltage applications. It integrates a high-side NPN power switch and offers high efficiency with minimal external components.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 3.5V to 60V.  
- **High Output Current:** Capable of delivering up to 5A.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Fixed Frequency Operation:** 200kHz switching for predictable noise performance.  
- **Low Dropout Operation:** Maintains regulation with small headroom.  
- **Built-in Protection:** Includes thermal shutdown, current limiting, and reverse battery protection.  
- **High Efficiency:** Minimizes power loss with synchronous rectification (external diode required).  

This regulator is commonly used in industrial, automotive, and telecom applications requiring high input voltage and efficient power conversion.

Application Scenarios & Design Considerations

4.5A, 500kHz Step-Down Switching Regulator

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