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LM2585S-12 from NS,National Semiconductor

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LM2585S-12

Manufacturer: NS

SIMPLE SWITCHER 3-Amp Flyback Regulator

Partnumber Manufacturer Quantity Availability
LM2585S-12,LM2585S12 NS 183 In Stock

Description and Introduction

SIMPLE SWITCHER 3-Amp Flyback Regulator The LM2585S-12 is a switching regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** LM2585S-12  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 100 kHz (typical)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**  
The LM2585S-12 is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides a fixed 12V output and is capable of delivering up to 3A of load current. The device operates over a wide input voltage range (4V to 40V), making it suitable for automotive, industrial, and power supply applications.  

### **Features:**  
- **Fixed 12V Output Voltage**  
- **Wide Input Voltage Range (4V to 40V)**  
- **3A Output Current Capability**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Standby Current (50µA typical in shutdown mode)**  
- **100 kHz Switching Frequency**  
- **Requires Minimal External Components**  
- **TO-263 Package for Efficient Heat Dissipation**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3-Amp Flyback Regulator

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