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LM2672LD-3.3 from NSC,National Semiconductor

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LM2672LD-3.3

Manufacturer: NSC

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2672LD-3.3,LM2672LD33 NSC 4 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features The LM2672LD-3.3 is a step-down voltage regulator manufactured by National Semiconductor (NSC). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (DDPAK/TO-263-5)  

### **Descriptions:**  
- The LM2672LD-3.3 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.  
- It includes a high-efficiency DC-DC converter with a fixed 3.3V output, requiring minimal external components.  
- Designed for simplicity, it integrates a 1A switch, oscillator, control circuitry, and thermal shutdown.  

### **Features:**  
- **Simple and Easy to Use:** Requires only 5 external components.  
- **High Efficiency:** Up to 92% efficiency with internal switch.  
- **Wide Input Voltage Range:** 8V to 40V operation.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Short-Circuit Protection:** Includes current limiting.  
- **Low Power Standby Mode:** Consumes minimal current when disabled.  

This information is sourced from the manufacturer's datasheet. Let me know if you need further details.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

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