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LM2576HVS-3.3 from 国半

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LM2576HVS-3.3

Manufacturer: 国半

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576HVS-3.3,LM2576HVS33 国半 1000 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576HVS-3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (国半). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 60V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263-5 (D2PAK)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2576HVS-3.3 is a monolithic integrated circuit designed for step-down voltage regulation. It simplifies power supply design by requiring minimal external components. The device is optimized for high-efficiency power conversion and is suitable for a wide range of applications, including industrial, automotive, and consumer electronics.

### **Features:**  
- **Simple and Easy to Use:** Requires only 4 external components.  
- **High Efficiency:** Uses a buck topology for reduced power dissipation.  
- **Wide Input Voltage Range:** Supports 4V to 60V input.  
- **Fixed Output Voltage:** 3.3V with ±4% tolerance.  
- **Internal Frequency Compensation:** Simplifies circuit design.  
- **Thermal Shutdown and Current Limit Protection:** Enhances reliability.  
- **Low Standby Current:** Typically 50μA in shutdown mode.  

This information is strictly factual from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

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