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LM2574HVN-ADJ from NSC,National Semiconductor

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LM2574HVN-ADJ

Manufacturer: NSC

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVN-ADJ,LM2574HVNADJ NSC 5 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVN-ADJ is a high-voltage switching regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.75V to 60V  
- **Output Voltage Range:** Adjustable (1.23V to 57V)  
- **Output Current:** 500mA (max)  
- **Switching Frequency:** 52kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin DIP (Dual Inline Package)  

### **Descriptions:**
- The LM2574HVN-ADJ is a monolithic high-voltage step-down (buck) switching regulator.  
- It requires minimal external components for operation.  
- Designed for simplicity and efficiency in power supply applications.  
- Includes features like thermal shutdown and current limiting for protection.  

### **Features:**
- **Adjustable Output Voltage** (via external resistors).  
- **Low Power Standby Mode** (typically 50µA).  
- **Internal Frequency Compensation.**  
- **Thermal Shutdown and Current Limiting Protection.**  
- **Wide Input Voltage Range** (up to 60V).  
- **Requires Only 4 External Components** for basic operation.  

This regulator is commonly used in automotive, industrial, and battery-powered applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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