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LM22670MR-5.0 from NSC,National Semiconductor

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LM22670MR-5.0

Manufacturer: NSC

3A SIMPLE SWITCHER?, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency

Partnumber Manufacturer Quantity Availability
LM22670MR-5.0,LM22670MR50 NSC 1038 In Stock

Description and Introduction

3A SIMPLE SWITCHER?, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency The LM22670MR-5.0 is a switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500 kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  
- **Regulation Type:** Step-Down (Buck)  
- **Protection Features:** Thermal shutdown, current limiting, and under-voltage lockout (UVLO)  

### **Descriptions:**  
The LM22670MR-5.0 is a high-efficiency, step-down DC-DC converter designed for a wide input voltage range. It integrates a low-resistance N-channel MOSFET switch for high efficiency and thermal performance.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 42V)**  
- **Fixed 5.0V Output**  
- **Adjustable Soft-Start**  
- **Synchronizable Switching Frequency**  
- **Low Shutdown Current (< 1μA)**  
- **Internal Compensation for Simplified Design**  
- **Thermal Shutdown Protection**  
- **Current Limit Protection**  

This regulator is suitable for industrial, automotive, and general-purpose power supply applications.

Application Scenarios & Design Considerations

3A SIMPLE SWITCHER?, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency

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