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LM2576SX-5.0 from NS,National Semiconductor

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LM2576SX-5.0

Manufacturer: NS

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576SX-5.0,LM2576SX50 NS 500 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576SX-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (SMD)  

### **Descriptions:**  
The LM2576SX-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.  

### **Features:**  
- **Fixed Output Voltage (5.0V)**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Low Power Standby Mode (IQ ≈ 50 µA)**  
- **Simple and Easy to Design**  
- **Available in TO-263-5 Package**  

This regulator is commonly used in power supply applications requiring efficient step-down conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

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