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LM2577M-15 from NS,National Semiconductor

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LM2577M-15

Manufacturer: NS

SIMPLE SWITCHER Step-Up Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2577M-15,LM2577M15 NS 1937 In Stock

Description and Introduction

SIMPLE SWITCHER Step-Up Voltage Regulator The LM2577M-15 is a switching regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** Fixed 15V  
- **Input Voltage Range:** 3.5V to 40V  
- **Output Current:** Up to 3A (with appropriate external components)  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80% (depending on input/output conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin SOIC (Surface Mount)  

### **Descriptions:**
- The LM2577M-15 is a step-up (boost), flyback, and forward converter switching regulator.  
- It is designed for simplicity and ease of use, requiring minimal external components.  
- The device includes a fixed-frequency oscillator and an internal NPN switch capable of handling up to 3A of peak current.  

### **Features:**
- **Fixed 15V Output Voltage**  
- **Wide Input Voltage Range (3.5V to 40V)**  
- **High Efficiency (Up to 80%)**  
- **Internal Current Limiting and Thermal Shutdown**  
- **Requires Only 4 External Components for Basic Operation**  
- **Low Standby Current (50 µA typical in shutdown mode)**  
- **Soft-Start Feature to Reduce Inrush Current**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER Step-Up Voltage Regulator

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