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LM2594N-12 from NS,National Semiconductor

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LM2594N-12

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2594N-12,LM2594N12 NS 562 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator The LM2594N-12 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A (500mA)  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 8-Pin DIP (PDIP)  

### **Descriptions:**
- The LM2594N-12 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.  
- It is designed for easy implementation and requires minimal external components.  
- Includes internal frequency compensation and a fixed-frequency oscillator.  

### **Features:**
- **Fixed 12V Output (±4% Tolerance)**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Requires Only 4 External Components**  
- **Available in TO-220 and DIP Packages**  

This regulator is commonly used in power supply applications where efficient step-down voltage conversion is needed.

Application Scenarios & Design Considerations

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

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