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LM2596S-5.0 from NSC,National Semiconductor

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LM2596S-5.0

Manufacturer: NSC

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2596S-5.0,LM2596S50 NSC 1000 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator The LM2596S-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V (±4% tolerance)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
- The LM2596S-5.0 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.  
- The regulator includes a fixed-frequency oscillator, feedback control, and an internal switch capable of handling up to 3A of load current.  

### **Features:**
- **Fixed 5.0V Output** (also available in adjustable versions)  
- **3A Output Current** with excellent line and load regulation  
- **Wide Input Voltage Range** (4.5V to 40V)  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Low Power Standby Mode** (typically 80µA)  
- **Simple and Easy to Use** with minimal external components  

This regulator is commonly used in power supply applications, battery chargers, and industrial systems requiring efficient voltage conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator

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