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LM2675M-3.3 from NSC,National Semiconductor

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LM2675M-3.3

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2675M-3.3,LM2675M33 NSC 283 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator The LM2675M-3.3 is a switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions and Features:**  
- Simple and easy-to-use step-down (buck) switching regulator  
- Requires minimal external components  
- Internal soft-start reduces inrush current  
- Low standby current in shutdown mode  
- Adjustable output version available (LM2675M-ADJ)  
- Suitable for battery-powered and industrial applications  

The LM2675M-3.3 is designed for efficient power conversion with high reliability.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2675M-3.3,LM2675M33 NS 10146 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator The LM2675M-3.3 is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are its 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:** SOIC-8  

### **Descriptions:**
- The LM2675M-3.3 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.  
- It is designed for simple and efficient power supply solutions with minimal external components.  
- The regulator includes a fixed-frequency oscillator, a high-efficiency switch, and protection features such as thermal shutdown and current limiting.  

### **Features:**
- **Simple and Easy to Use:** Requires only 5 external components.  
- **High Efficiency:** Up to 92% efficiency reduces heat dissipation.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting Protection:** Safeguards against excessive load currents.  
- **Wide Input Voltage Range:** Supports 8V to 40V input.  
- **Fixed Output Voltage:** Pre-set to 3.3V.  

This information is based on the manufacturer's datasheet. For detailed application notes and circuit examples, refer to the official documentation.

Application Scenarios & Design Considerations

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

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