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LM2577M-12 from NS,National Semiconductor

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LM2577M-12

Manufacturer: NS

SIMPLE SWITCHER Step-Up Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2577M-12,LM2577M12 NS 1005 In Stock

Description and Introduction

SIMPLE SWITCHER Step-Up Voltage Regulator The LM2577M-12 is a step-up (boost) switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed +12V  
- **Input Voltage Range:** 3.5V to 40V  
- **Output Current:** Up to 3A (depends on input voltage and thermal conditions)  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin SOIC (Surface Mount)  

### **Descriptions:**  
- The LM2577M-12 is a monolithic integrated circuit designed for step-up (boost), flyback, and forward converter applications.  
- It includes a fixed-frequency oscillator, a high-current switch, and internal feedback compensation.  
- Requires minimal external components for operation.  

### **Features:**  
- Simple and easy-to-use design  
- Internal current limiting and thermal shutdown  
- Low standby current in shutdown mode  
- Adjustable output voltage version available (LM2577-ADJ)  
- Suitable for battery-powered applications  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to the official documentation.

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