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LM2586S-ADJ from NS,National Semiconductor

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LM2586S-ADJ

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2586S-ADJ,LM2586SADJ NS 256 In Stock

Description and Introduction

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

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **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)  

### **Descriptions:**  
The LM2586S-ADJ is a step-down (buck) switching regulator with an adjustable output voltage. It integrates a 3A switch, a fixed-frequency oscillator, and thermal shutdown protection. It is designed for simple, efficient power supply designs in industrial, automotive, and consumer applications.  

### **Features:**  
- Adjustable output voltage via external resistors  
- Internal current limiting and thermal shutdown  
- Low standby current (50 µA typical)  
- Requires minimal external components  
- Stable with low-ESR output capacitors  
- Over-temperature protection  

This information is strictly based on the manufacturer's datasheet and does not include any additional recommendations.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3-Amp Flyback Regulator

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