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LM2586S-3.3 from NS,National Semiconductor

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LM2586S-3.3

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2586S-3.3,LM2586S33 NS 80 In Stock

Description and Introduction

SIMPLE SWITCHER 3-Amp Flyback Regulator The LM2586S-3.3 is a switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 100 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulator Type:** Buck (Step-Down)  
- **Control Method:** PWM (Pulse Width Modulation)  

### **Descriptions:**  
The LM2586S-3.3 is a monolithic integrated circuit designed for step-down (buck) switching regulator applications. It is capable of driving a 3A load with excellent line and load regulation. The device includes a fixed-frequency oscillator, thermal shutdown, current limiting, and an on/off control input.  

### **Features:**  
- **Simple and Easy to Use:** Requires minimal external components.  
- **Internal Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  
- **On/Off Control:** Allows the regulator to be shut down externally.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  
- **Fixed Output Voltage:** Eliminates the need for external feedback resistors.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3-Amp Flyback Regulator

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