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LM2594M3.3 from NSC,National Semiconductor

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LM2594M3.3

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2594M3.3,LM2594M33 NSC 25000 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator The LM2594M3.3 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Regulator Type:** Buck Converter  

### **Descriptions:**  
The LM2594M3.3 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed to drive a 0.5A load with excellent line and load regulation. The device requires minimal external components and includes features like thermal shutdown and current limiting for protection.  

### **Features:**  
- **Simple and Easy to Design:** Requires few external components.  
- **Internal Frequency Compensation:** Fixed at 150 kHz.  
- **Low Power Standby Mode:** IQ typically 80 µA when shut down.  
- **Thermal Shutdown and Current Limit Protection:** Enhances reliability.  
- **Wide Input Voltage Range:** 4.5V to 40V.  
- **High Efficiency:** Up to 88%.  
- **Available in TO-263 Package:** Suitable for surface-mount applications.  

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

Application Scenarios & Design Considerations

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

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