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LM2576T-3.3 from NS,NS,National Semiconductor

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LM2576T-3.3

Manufacturer: NS,NS

3.3V dual 3.0A step down switching voltage regulator

Partnumber Manufacturer Quantity Availability
LM2576T-3.3,LM2576T33 NS,NS 10530 In Stock

Description and Introduction

3.3V dual 3.0A step down switching voltage regulator The LM2576T-3.3 is a step-down (buck) switching voltage regulator manufactured by ON Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** 3A (maximum)  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-hole)  
- **Regulation Type:** Switching Regulator  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2576T-3.3 is a monolithic integrated circuit providing all active functions for a step-down (buck) switching regulator. It is designed to drive a 3A load with excellent line and load regulation.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal frequency compensation  
- Fixed-frequency oscillator  
- Thermal shutdown and current limit protection  
- Low power standby mode  
- Wide input voltage range  

This regulator is commonly used in power supply applications where a stable 3.3V output is required from a higher input voltage.

Application Scenarios & Design Considerations

3.3V dual 3.0A step down switching voltage regulator

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