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LM2574HVM-12 from NSC,National Semiconductor

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LM2574HVM-12

Manufacturer: NSC

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVM-12,LM2574HVM12 NSC 4 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVM-12 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 0.5A (500mA)  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220 (5-pin)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
- The LM2574HVM-12 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design by requiring minimal external components.  
- Suitable for battery-powered applications, industrial systems, and automotive electronics.  

### **Features:**  
- **Fixed 12V Output** (other variants available for adjustable output)  
- **Low Power Standby Mode** (reduces quiescent current)  
- **Internal Frequency Compensation** (simplifies design)  
- **Wide Input Voltage Range** (4.75V to 40V)  
- **Thermal Shutdown and Current Limit Protection**  
- **TO-220 Package** (for easy heatsinking)  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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