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LM2576T-ADJNOPB from NSC,National Semiconductor

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LM2576T-ADJNOPB

Manufacturer: NSC

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2576T-ADJNOPB,LM2576TADJNOPB NSC 90 In Stock

Description and Introduction

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125 The LM2576T-ADJNOPB is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.75V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** 3A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package Type:** TO-220-5 (Through-Hole)  

### **Descriptions:**
- The LM2576T-ADJNOPB is a step-down (buck) switching regulator that provides a simple and efficient solution for DC-DC voltage conversion.  
- It features an adjustable output voltage version, allowing flexibility in setting the desired output voltage using external resistors.  
- Designed for ease of use, it requires minimal external components and includes built-in protection features.  

### **Features:**
- **Adjustable Output Voltage** (via external resistors)  
- **3A Output Current Capability**  
- **Wide Input Voltage Range** (4.75V to 40V)  
- **Internal Frequency Compensation**  
- **Built-in Thermal Shutdown & Current Limit Protection**  
- **Low Power Standby Mode** (when disabled)  
- **Simple and Reliable Design** (reduces external component count)  
- **TO-220 Package for Efficient Heat Dissipation**  

This regulator is commonly used in power supply applications, battery chargers, and industrial systems requiring efficient voltage conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125

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