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LM2574HVN-15 from NS,National Semiconductor

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LM2574HVN-15

Manufacturer: NS

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVN-15,LM2574HVN15 NS 1960 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVN-15 is a monolithic integrated circuit manufactured by ON Semiconductor (NS). It is a step-down (buck) switching regulator designed for easy and efficient voltage regulation.  

### **Specifications:**  
- **Output Voltage:** Fixed -15V  
- **Input Voltage Range:** 4.5V to 60V (high-voltage version)  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 8-Pin DIP (PDIP-8)  

### **Descriptions:**  
The LM2574HVN-15 is a high-voltage variant of the LM2574 series, optimized for applications requiring a stable -15V output from a higher input voltage. It integrates a fixed-frequency oscillator, a high-efficiency switch, and a voltage reference, requiring minimal external components.  

### **Features:**  
- **Fixed Output Voltage (-15V)**  
- **Wide Input Voltage Range (4.5V to 60V)**  
- **Low Power Standby Mode**  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Available in TO-220 and DIP Packages**  

This regulator is commonly used in power supply designs for industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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