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LM2675M-12 from NSC,National Semiconductor

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LM2675M-12

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2675M-12,LM2675M12 NSC 1384 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator The LM2675M-12 is a step-down voltage regulator manufactured by National Semiconductor (NSC). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V
- **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 (Surface Mount)

### **Descriptions:**
- The LM2675M-12 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.
- It is designed for easy implementation in power supply applications requiring high efficiency and compact size.
- The device includes an internal NPN switch, fixed-frequency oscillator, thermal shutdown, and current limiting.

### **Features:**
- **Simple and Easy to Use:** Requires minimal external components.
- **High Efficiency:** Uses a low ON-resistance DMOS power switch.
- **Fixed Frequency Operation:** 260 kHz for reduced noise and predictable performance.
- **Thermal Shutdown:** Protects the device from overheating.
- **Current Limiting:** Prevents damage during overload conditions.
- **Low Power Standby Mode:** Consumes minimal current when disabled.

This information is based on the manufacturer's datasheet for the LM2675M-12.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2675M-12,LM2675M12 NS 281 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator The LM2675M-12 is a step-down voltage regulator manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The LM2675M-12 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for simplicity and efficiency, requiring minimal external components. The fixed 12V output version eliminates the need for external feedback resistors.

### **Features:**  
- **Simple and Easy to Use:** Requires only 5 external components.  
- **High Efficiency:** Uses a low ON-resistance DMOS power switch.  
- **Internal Frequency Compensation:** Reduces external component count.  
- **Thermal Shutdown and Current Limit Protection:** Enhances reliability.  
- **Low Power Standby Mode:** Consumes only 50 µA (typical) when shut down.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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