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LM2575N-ADJ from NSC,National Semiconductor

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LM2575N-ADJ

Manufacturer: NSC

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2575N-ADJ,LM2575NADJ NSC 3126 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-ADJ is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4.75V to 40V  
- **Adjustable Output Voltage Range:** 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 (Through-hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2575N-ADJ is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation in applications requiring efficient power conversion. The adjustable version allows the output voltage to be set using external resistors.  

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

This regulator is commonly used in power supplies, battery chargers, and other applications requiring efficient DC-DC conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

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