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LM2597N-12 from NS,National Semiconductor

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LM2597N-12

Manufacturer: NS

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2597N-12,LM2597N12 NS 1280 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator The LM2597N-12 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2597N-12 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation in power supply applications requiring high efficiency and a fixed 12V output.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal frequency compensation  
- Low power standby mode  
- Adjustable version available (LM2597)  
- Overcurrent and thermal protection  

This regulator is commonly used in power supplies, battery chargers, and industrial applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

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