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LM2586S-12 from NS,National Semiconductor

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LM2586S-12

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2586S-12,LM2586S12 NS 2105 In Stock

Description and Introduction

SIMPLE SWITCHER 3-Amp Flyback Regulator The LM2586S-12 is a step-down switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4V to 40V  
- **Switching Frequency:** 100 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
The LM2586S-12 is a monolithic integrated circuit optimized for step-down (buck) DC-DC converter applications. It simplifies power supply design by integrating a high-efficiency switching regulator with a fixed 12V output.  

### **Features:**  
- **Fixed 12V Output**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4V to 40V)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Standby Current (50µA typical in shutdown mode)**  
- **Requires Minimal External Components**  
- **Over-Temperature Protection**  

This regulator is commonly used in power supply designs for industrial, automotive, and consumer electronics applications.

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