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LM2585S-ADJ. from NS,National Semiconductor

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LM2585S-ADJ.

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2585S-ADJ.,LM2585SADJ NS 26 In Stock

Description and Introduction

SIMPLE SWITCHER 3-Amp Flyback Regulator The LM2585S-ADJ is a switching regulator IC manufactured by National Semiconductor (NS).  

### **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 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (5-Lead)  

### **Descriptions:**  
The LM2585S-ADJ is a step-down (buck) switching regulator with an adjustable output voltage. It integrates a 3A switch, simplifying power supply design. It is suitable for applications requiring high efficiency and compact power solutions.  

### **Features:**  
- Adjustable output voltage via external resistors  
- Internal current limiting and thermal shutdown  
- Low standby current (50 µA typical)  
- Built-in soft-start function  
- Requires minimal external components  

This regulator is commonly used in industrial, automotive, and consumer electronics applications.  

*(Source: National Semiconductor Datasheet for LM2585S-ADJ)*

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3-Amp Flyback Regulator

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