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LM2574N-12 from NS,National Semiconductor

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LM2574N-12

Manufacturer: NS

EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
LM2574N-12,LM2574N12 NS 4430 In Stock

Description and Introduction

EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR The LM2574N-12 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin DIP (Dual Inline Package)  
- **Regulator Type:** Buck Converter (Step-Down)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2574N-12 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed to drive a 0.5A load with excellent line and load regulation. The device requires minimal external components, simplifying power supply design.  

### **Features:**  
- **Fixed 12V Output**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **Low Power Standby Mode (50μA typical)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Available in TO-220 and DIP Packages**  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR

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