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LM2574N

Easy switcher 0.5 A step-down voltage regulator

Partnumber Manufacturer Quantity Availability
LM2574N 5660 In Stock

Description and Introduction

Easy switcher 0.5 A step-down voltage regulator The LM2574N is a step-down (buck) switching regulator from Texas Instruments.  

### **Manufacturer Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Options:** Adjustable (1.23V to 37V) or fixed (3.3V, 5V, 12V, 15V)  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin DIP (PDIP)  

### **Descriptions:**  
The LM2574N is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation and requires minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Fixed-frequency oscillator (52 kHz)  
- Thermal shutdown and current limit protection  
- Low power standby mode (IQ ≈ 50 µA)  
- Available in fixed or adjustable output versions  

This information is sourced from Texas Instruments' official datasheet for the LM2574N.

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