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LM2587T-ADJ from NS,National Semiconductor

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LM2587T-ADJ

Manufacturer: NS

SIMPLE SWITCHER® 5A Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2587T-ADJ,LM2587TADJ NS 239 In Stock

Description and Introduction

SIMPLE SWITCHER® 5A Flyback Regulator The LM2587T-ADJ is a switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 40V  
- **Adjustable Output Voltage:** 1.23V to 60V  
- **Output Current:** Up to 5A (with external components)  
- **Switching Frequency:** 100 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220-5  

### **Descriptions:**
The LM2587T-ADJ is a monolithic integrated circuit that provides a step-up (boost), flyback, and forward converter switching regulator. It is designed for high-efficiency power conversion applications and includes a built-in NPN power switch capable of handling up to 5A of peak current.  

### **Features:**
- **Adjustable Output Voltage** via external resistors  
- **Internal Current Limiting** and **Thermal Shutdown** for protection  
- **Low Standby Current** (typically 5mA)  
- **Soft-Start Function** to reduce inrush current  
- **Wide Input Voltage Range** (4V to 40V)  
- **Suitable for Boost, Flyback, and Forward Converter Applications**  

This regulator is commonly used in power supplies, battery chargers, and industrial control systems.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 5A Flyback Regulator

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