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LM2594M-ADJ/NOPB from NS,National Semiconductor

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LM2594M-ADJ/NOPB

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2594M-ADJ/NOPB,LM2594MADJNOPB NS 12438 In Stock

Description and Introduction

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

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **Output Current:** 500mA  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LM2594M-ADJ/NOPB is a **step-down (buck) switching regulator** that provides a **high-efficiency DC-DC conversion**.  
- It includes **fixed-frequency PWM control** for stable output voltage regulation.  
- The adjustable version allows users to set the output voltage using an external resistor divider.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Adjustable Output Voltage (1.23V to 37V)**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Requires Only 4 External Components**  
- **Available in SOIC-8 Package**  

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

(Note: National Semiconductor (NS) was acquired by Texas Instruments (TI) in 2011, but the original part number remains valid.)

Application Scenarios & Design Considerations

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

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