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LM2576HVT-ADJLB03 from NSC,National Semiconductor

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LM2576HVT-ADJLB03

Manufacturer: NSC

SIMPLE SWITCHER? 4V to 60V, 3A Low Component Count Step-Down Regulator 5-TO-220

Partnumber Manufacturer Quantity Availability
LM2576HVT-ADJLB03,LM2576HVTADJLB03 NSC 13 In Stock

Description and Introduction

SIMPLE SWITCHER? 4V to 60V, 3A Low Component Count Step-Down Regulator 5-TO-220 The LM2576HVT-ADJLB03 is a switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **Output Current:** 3A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Package:** TO-263-5 (D2PAK)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- **Step-Down (Buck) Converter:** Converts higher input voltage to a lower regulated output voltage.  
- **Adjustable Output:** Uses an external resistor divider to set the desired output voltage.  
- **Fixed Internal Oscillator:** Ensures stable switching at 52 kHz.  
- **Minimal External Components:** Requires only an inductor, diode, and capacitors for operation.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Current Limiting:** Safeguards against excessive load currents.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and battery-powered applications.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 4V to 60V, 3A Low Component Count Step-Down Regulator 5-TO-220

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