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LM2574DW-ADJR2 from ON,ON Semiconductor

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LM2574DW-ADJR2

Manufacturer: ON

0.5A, Adjustable Output Voltage, Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM2574DW-ADJR2,LM2574DWADJR2 ON 611 In Stock

Description and Introduction

0.5A, Adjustable Output Voltage, Step-Down Switching Regulator The **LM2574DW-ADJR2** is a switching voltage regulator manufactured by **ON Semiconductor**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Type:** Adjustable  
- **Output Voltage Range:** 1.23V to 37V  
- **Output Current:** 500mA  
- **Input Voltage Range:** 4.5V to 40V  
- **Switching Frequency:** 52kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-14 (DW)  

### **Descriptions:**  
The **LM2574DW-ADJR2** is a monolithic **step-down (buck) switching regulator** that simplifies power supply design. It requires minimal external components and provides a fixed or adjustable output voltage. The adjustable version allows users to set the output voltage using an external resistor divider.  

### **Features:**  
- **Adjustable Output Voltage** (1.23V to 37V)  
- **500mA Load Current Capability**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Internal Frequency Compensation**  
- **Low Power Standby Mode (50µA typical)**  
- **Thermal Shutdown & Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Output Capacitors**  

This regulator is suitable for applications requiring efficient power conversion with minimal external components.

Application Scenarios & Design Considerations

0.5A, Adjustable Output Voltage, Step-Down Switching Regulator

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