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LM2587S-5.0 from NS,National Semiconductor

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LM2587S-5.0

Manufacturer: NS

SIMPLE SWITCHER® 5A Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2587S-5.0,LM2587S50 NS 5 In Stock

Description and Introduction

SIMPLE SWITCHER® 5A Flyback Regulator The LM2587S-5.0 is a switching regulator IC manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 5A (with proper heat sinking)  
- **Switching Frequency:** ~100 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (5-pin D2PAK)  

### **Descriptions:**  
The LM2587S-5.0 is a step-up (boost), step-down (buck), and flyback DC-DC converter with an integrated 5A switch. It is designed for high-efficiency power conversion applications, including battery-powered systems, industrial controls, and automotive electronics.  

### **Features:**  
- **Integrated 5A NPN Switch**  
- **Adjustable or Fixed Output Voltage (5.0V version)**  
- **Wide Input Voltage Range (4V to 40V)**  
- **Low Standby Current (50µA typical)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 5A Flyback Regulator

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