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LM2576T-5.0 from NS进口,National Semiconductor

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LM2576T-5.0

Manufacturer: NS进口

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576T-5.0,LM2576T50 NS进口 4078 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576T-5.0 is a step-down (buck) switching regulator manufactured by **National Semiconductor (NS进口)**.

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (through-hole)  

### **Descriptions:**  
The LM2576T-5.0 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed to drive a 3A load with excellent line and load regulation. The device requires minimal external components, simplifying power supply design.

### **Features:**  
- **Fixed 5.0V Output** (other variants available for adjustable output)  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown & Current Limit Protection**  
- **Low Power Standby Mode (IQ ~50μA)**  
- **Simple and Easy-to-Use Design**  

The LM2576T-5.0 is commonly used in power supply applications, battery chargers, and DC-DC converters.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

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