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LM2574-5 from MOTO,Motorola

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LM2574-5

Manufacturer: MOTO

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
LM2574-5,LM25745 MOTO 53 In Stock

Description and Introduction

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR The LM2574-5 is a step-down (buck) switching voltage regulator manufactured by **Motorola (MOTO)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5V (±4% tolerance).  
- **Input Voltage Range:** 4.5V to 40V.  
- **Output Current:** Up to 500mA.  
- **Switching Frequency:** 52 kHz (typical).  
- **Efficiency:** Up to 80%.  
- **Operating Temperature Range:** -40°C to +125°C.  
- **Package Type:** TO-220, TO-263 (D2PAK), and SOIC-8.  

### **Descriptions:**
- The LM2574-5 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design with minimal external components.  
- Includes built-in frequency compensation and a fixed-frequency oscillator.  

### **Features:**
- **Fixed 5V Output:** No external feedback resistors required.  
- **Low Power Standby Mode:** Typically 50µA when shut down.  
- **Internal Current Limiting & Thermal Shutdown:** Protects against overloads.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  
- **Minimal External Components:** Requires only an inductor, diode, and capacitors.  

For exact details, refer to the official **Motorola datasheet**.

Application Scenarios & Design Considerations

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR
Partnumber Manufacturer Quantity Availability
LM2574-5,LM25745 ON 66 In Stock

Description and Introduction

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR The LM2574-5 is a step-down (buck) switching voltage regulator manufactured by ON Semiconductor.  

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, TO-263 (D2PAK), SOIC-8  

### **Descriptions:**  
The LM2574-5 is a monolithic integrated circuit designed for step-down voltage regulation. It simplifies power supply design by requiring minimal external components and provides high efficiency compared to linear regulators.  

### **Features:**  
- **Fixed 5V Output** with ±4% tolerance  
- **Low Power Standby Mode** (50µA typical)  
- **Internal Frequency Compensation**  
- **Thermal Shutdown & Current Limit Protection**  
- **Wide Input Voltage Range** (4.5V to 40V)  
- **Requires Only 4 External Components** (inductor, diode, capacitor, and input capacitor)  
- **Available in Multiple Package Options** for flexibility  

This regulator is commonly used in automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR
Partnumber Manufacturer Quantity Availability
LM2574-5,LM25745 NS 675 In Stock

Description and Introduction

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR The LM2574-5 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, TO-263, SOIC-8  

### **Descriptions:**  
The LM2574-5 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed to drive a 0.5A load with excellent line and load regulation. The device requires minimal external components and includes a fixed-frequency oscillator, thermal shutdown, and current limit protection.

### **Features:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Thermal shutdown and current limit protection  
- Low power standby mode  
- Wide input voltage range  
- Available in fixed 5V output  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

EASY SWITCHERE⑩ 0.5 A STEP-DOWN VOLTAGE REGULATOR

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