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LM2577T-ADJ from NSC,National Semiconductor

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LM2577T-ADJ

Manufacturer: NSC

SIMPLE SWITCHER Step-Up Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2577T-ADJ,LM2577TADJ NSC 90 In Stock

Description and Introduction

SIMPLE SWITCHER Step-Up Voltage Regulator The LM2577T-ADJ is a switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 3.5V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 60V  
- **Output Current:** Up to 3A (with external components)  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220-5 (through-hole)  

### **Descriptions:**
The LM2577T-ADJ is a step-up (boost), flyback, and forward converter switching regulator. It is designed for easy implementation in various power supply applications, providing high efficiency and reliable performance. The adjustable output voltage is set using an external resistor divider.

### **Features:**
- **Simple Design:** Requires minimal external components.  
- **Internal Current Limiting & Thermal Shutdown:** Protects against overloads.  
- **Low Standby Current:** Typically 50 µA in shutdown mode.  
- **Wide Input Voltage Range:** Suitable for battery-powered applications.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Reduces power dissipation.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER Step-Up Voltage Regulator

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