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LM2587T-5.0 from NS,National Semiconductor

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LM2587T-5.0

Manufacturer: NS

SIMPLE SWITCHER® 5A Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2587T-5.0,LM2587T50 NS 2 In Stock

Description and Introduction

SIMPLE SWITCHER® 5A Flyback Regulator The LM2587T-5.0 is a switching regulator IC manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 100 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Package Type:** TO-220-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Regulation Type:** Step-Up (Boost), Step-Down (Buck), Flyback, and Forward Converter  

### **Descriptions:**  
The LM2587T-5.0 is a monolithic integrated circuit designed for DC-DC converter applications. It includes a fixed-frequency current-mode PWM controller, a high-current switch, and necessary protection features. It is commonly used in power supply designs requiring efficient voltage conversion.

### **Features:**  
- **Integrated 5A NPN Switch**  
- **Adjustable Soft-Start**  
- **Current-Mode Control**  
- **Undervoltage Lockout (UVLO)**  
- **Thermal Shutdown Protection**  
- **Fixed 5.0V Output Version Available**  
- **Wide Input Voltage Range (4V to 40V)**  
- **Suitable for Boost, Buck, and Flyback Topologies**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 5A Flyback Regulator

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