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LM2576HVS-ADJ from NSC,National Semiconductor

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LM2576HVS-ADJ

Manufacturer: NSC

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576HVS-ADJ,LM2576HVSADJ NSC 24 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576HVS-ADJ is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** Adjustable from 1.23V to 57V  
- **Output Current:** 3A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
- The LM2576HVS-ADJ is a step-down (buck) switching regulator designed for high-voltage applications.  
- It provides a simple and efficient solution for converting higher input voltages to a lower adjustable output voltage.  
- The adjustable version allows users to set the output voltage using external resistors.  

### **Features:**
- **Wide Input Voltage Range (4V to 60V)**  
- **3A Output Current Capability**  
- **Adjustable Output Voltage (1.23V to 57V)**  
- **Fixed 52 kHz Switching Frequency**  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Low Power Standby Mode (50 µA typical)**  
- **Available in TO-263-5 Package**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

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