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LM2574HVN-12 from NSC,National Semiconductor

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LM2574HVN-12

Manufacturer: NSC

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVN-12,LM2574HVN12 NSC 750 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVN-12 is a switching regulator from National Semiconductor (NSC). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.5V to 60V (HV version)  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 8-Pin DIP (PDIP)  

### **Descriptions:**
- A monolithic buck (step-down) switching regulator.  
- Designed for easy implementation with minimal external components.  
- Includes internal frequency compensation and a fixed-frequency oscillator.  

### **Features:**
- **Wide Input Voltage Range:** Supports high-voltage applications (up to 60V).  
- **Low Power Standby Mode:** Reduces power consumption in shutdown.  
- **Internal Current Limiting & Thermal Shutdown:** Protects against overloads.  
- **Fixed Output Voltage:** No external feedback resistors needed.  
- **Minimal External Components:** Simplifies design and reduces board space.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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