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LM2586S-5.0 from NS,National Semiconductor

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LM2586S-5.0

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2586S-5.0,LM2586S50 NS 4 In Stock

Description and Introduction

SIMPLE SWITCHER 3-Amp Flyback Regulator The LM2586S-5.0 is a step-down switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 100 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
The LM2586S-5.0 is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It includes a high-efficiency switching regulator, internal current limiting, thermal shutdown, and an adjustable frequency oscillator. The fixed 5.0V output version simplifies design by eliminating the need for external feedback resistors.

### **Features:**
- **Fixed 5.0V Output Voltage**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4V to 40V)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Standby Current (50 µA typical in shutdown mode)**  
- **Requires Minimal External Components**  
- **TO-263-5 Package for Efficient Heat Dissipation**  

This information is strictly based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3-Amp Flyback Regulator

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