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LM2674MX-12 from NSC,National Semiconductor

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LM2674MX-12

Manufacturer: NSC, NS

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2674MX-12,LM2674MX12 NSC, NS 3340 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674MX-12 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 90%  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2674MX-12 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for easy implementation and high efficiency, making it suitable for various power supply applications.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal soft-start for reduced inrush current  
- Low standby current in shutdown mode  
- High efficiency switching regulator  
- Fixed output voltage version (12V)  

This regulator is commonly used in automotive, industrial, and consumer electronics applications where efficient power conversion is required.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator

Alternative Part Number

  • TPS54231D --: TI buck converter with similar 12V fixed-output capability and wide input range; TI acquired NSC's power portfolio, so this is a close functional replacement.
  • MP1584EN --: Widely available step-down regulator with comparable current rating and input voltage range, suitable as a cost-effective substitute.
  • L5973D --: Integrated switching buck regulator with similar voltage and current specs, offering a different vendor option for the same application.
  • AP6503SP-13 --: Integrated buck regulator with adjustable output that can be set to 12V, compact SO-8 package and broad availability as an alternative sourcing option.

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