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LM2576D2T-ADJR4 from ON,ON Semiconductor

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LM2576D2T-ADJR4

Manufacturer: ON

3A, Adjustable Output Voltage, Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM2576D2T-ADJR4,LM2576D2TADJR4 ON 1426 In Stock

Description and Introduction

3A, Adjustable Output Voltage, Step-Down Switching Regulator The **LM2576D2T-ADJR4** is a **step-down (buck) switching voltage regulator** manufactured by **ON Semiconductor**.  

### **Specifications:**  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulator Type:** Buck (Step-Down)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2576D2T-ADJR4 is a **monolithic integrated circuit** that simplifies the design of a step-down switching regulator. It is designed to drive a **3A load** with excellent line and load regulation. The adjustable version allows the output voltage to be set using an external resistor divider.  

### **Features:**  
- **Simple and easy-to-use** design  
- **Requires minimal external components**  
- **Internal frequency compensation**  
- **Fixed-frequency oscillator** (52 kHz)  
- **Low power standby mode**  
- **Thermal shutdown and current limit protection**  
- **High efficiency** compared to linear regulators  

This regulator is suitable for **battery-powered applications, industrial power supplies, and automotive systems**.

Application Scenarios & Design Considerations

3A, Adjustable Output Voltage, Step-Down Switching Regulator

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