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LM2575T-ADJ-LB03 from NS,National Semiconductor

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LM2575T-ADJ-LB03

Manufacturer: NS

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220

Partnumber Manufacturer Quantity Availability
LM2575T-ADJ-LB03,LM2575TADJLB03 NS 1540 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220 The LM2575T-ADJ-LB03 is a step-down switching regulator manufactured by ON Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (LB03)  

### **Descriptions:**  
The LM2575T-ADJ-LB03 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for easy implementation and requires minimal external components. The adjustable version allows the output voltage to be set via an external resistor divider.  

### **Features:**  
- **Simple and Efficient Design:** Requires only a few external components.  
- **Internal Frequency Compensation:** Ensures stability.  
- **Low Power Standby Mode:** Reduces power consumption when not in use.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Wide Input Voltage Range:** Suitable for various applications.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220

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