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LM2576-5 from 摩托罗拉

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LM2576-5

Manufacturer: 摩托罗拉

Easy Switcher 3.0A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576-5,LM25765 摩托罗拉 20 In Stock

Description and Introduction

Easy Switcher 3.0A Step-Down Voltage Regulator The LM2576-5 is a step-down (buck) switching regulator manufactured by **摩托罗拉 (Motorola)**.  

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **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 Type:** TO-220, TO-263 (D2PAK)  

### **Descriptions and Features:**  
- **Simple and Efficient:** Requires minimal external components for operation.  
- **Fixed Output:** Provides a stable 5V output without requiring an external feedback network.  
- **Internal Protection:** Includes thermal shutdown and current limit protection.  
- **Low Standby Current:** Typically 50 µA in shutdown mode.  
- **Wide Input Range:** Suitable for automotive, industrial, and battery-powered applications.  

This regulator is commonly used in power supply designs where a step-down conversion from a higher voltage source is needed.

Application Scenarios & Design Considerations

Easy Switcher 3.0A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2576-5,LM25765 MOT 332 In Stock

Description and Introduction

Easy Switcher 3.0A Step-Down Voltage Regulator The LM2576-5 is a step-down (buck) switching voltage regulator manufactured by **ON Semiconductor (formerly Motorola, hence "MOT")**.  

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, TO-263 (D2PAK)  

### **Descriptions:**  
- A monolithic integrated circuit ideal for step-down (buck) regulator applications.  
- Requires minimal external components for operation.  
- Includes built-in frequency compensation and a fixed-frequency oscillator.  

### **Features:**  
- **Fixed 5V Output** (±4% over line and load conditions)  
- **3A Output Current Capability**  
- **Wide Input Voltage Range** (4.75V to 40V)  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Power Standby Mode** (IQ ≈ 50μA)  
- **Simple and Easy to Use** (Requires only 4 external components)  
- **Available in Standard Packages** (TO-220, TO-263)  

This regulator is commonly used in power supply designs for automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

Easy Switcher 3.0A Step-Down Voltage Regulator

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