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LM2575HVM-ADJ from NS,National Semiconductor

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LM2575HVM-ADJ

Manufacturer: NS

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2575HVM-ADJ,LM2575HVMADJ NS 1007 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575HVM-ADJ is a step-down (buck) switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.75V to 60V  
- **Adjustable Output Voltage Range:** 1.23V to 57V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263 (D2PAK)  
- **Regulator Type:** Buck (Step-Down)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**
The LM2575HVM-ADJ is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation in high-efficiency power supply applications. The adjustable version allows the output voltage to be set via an external resistor divider.

### **Features:**
- **Wide Input Voltage Range (4.75V–60V)**  
- **1A Output Current Capability**  
- **Adjustable Output Voltage**  
- **Internal Frequency Compensation**  
- **52 kHz Fixed-Frequency Oscillator**  
- **Low Power Standby Mode (50 µA typical)**  
- **Thermal Shutdown and Current Limit Protection**  
- **Simple and Easy-to-Design Circuitry**  
- **Minimizes External Components**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

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