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LM2574HVN-5.0 from NS,National Semiconductor

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LM2574HVN-5.0

Manufacturer: NS

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVN-5.0,LM2574HVN50 NS 337 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVN-5.0 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 60V  
- **Output Voltage:** Fixed 5.0V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin DIP (PDIP)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**  
The LM2574HVN-5.0 is a monolithic integrated circuit designed for step-down voltage regulation. It simplifies power supply design by requiring minimal external components and includes features like thermal shutdown and current limiting for protection.  

### **Features:**  
- **Fixed 5.0V Output**  
- **Wide Input Voltage Range (up to 60V)**  
- **Low Power Standby Mode (IQ < 50μA)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown & Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Capacitors**  

This regulator is commonly used in industrial, automotive, and battery-powered applications requiring efficient voltage conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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