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LM2594M-5.0/NOPB from NS,National Semiconductor

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LM2594M-5.0/NOPB

Manufacturer: NS

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

Partnumber Manufacturer Quantity Availability
LM2594M-5.0/NOPB,LM2594M50NOPB NS 12438 In Stock

Description and Introduction

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125 The **LM2594M-5.0/NOPB** is a step-down (buck) switching voltage regulator manufactured by **National Semiconductor (NS)**. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** Fixed **5.0V**  
- **Input Voltage Range:** **4.5V to 40V**  
- **Output Current:** Up to **0.5A** (500mA)  
- **Switching Frequency:** **150 kHz**  
- **Efficiency:** Up to **80%**  
- **Operating Junction Temperature:** **-40°C to +125°C**  
- **Package:** **SOIC-8** (Surface Mount)  
- **Regulator Type:** **Buck Converter**  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The **LM2594M-5.0/NOPB** is a monolithic switching regulator that provides a fixed **5.0V** output from an input voltage range of **4.5V to 40V**. It is designed for easy implementation and requires minimal external components. The device integrates a **150 kHz oscillator**, a high-efficiency switch, and protection circuits, making it suitable for various power supply applications.  

### **Features:**  
- **Simple and Easy to Use** (Requires only 4 external components)  
- **Low Power Standby Mode** (IQ < 80µA)  
- **Internal Frequency Compensation**  
- **Thermal Shutdown Protection**  
- **Current Limiting Protection**  
- **Available in Fixed (5.0V) and Adjustable Output Versions**  
- **Wide Input Voltage Range (4.5V to 40V)**  

This regulator is commonly used in **battery-powered systems, industrial controls, automotive applications, and distributed power systems**.  

(Note: National Semiconductor (NS) is now part of Texas Instruments (TI), but the original manufacturer designation remains NS for legacy parts.)

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

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