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LM2574-5.0BWM from MICREL

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LM2574-5.0BWM

Manufacturer: MICREL

52kHz Simple 0.5A Buck Regulator

Partnumber Manufacturer Quantity Availability
LM2574-5.0BWM,LM257450BWM MICREL 480 In Stock

Description and Introduction

52kHz Simple 0.5A Buck Regulator The LM2574-5.0BWM is a step-down (buck) switching regulator manufactured by **MICREL** (now part of Microchip Technology).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **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:** 8-pin SOIC (BWM)  

### **Descriptions:**  
The LM2574-5.0BWM is a monolithic switching regulator that simplifies power supply design. It requires minimal external components and provides a fixed 5.0V output. The device includes a frequency-compensated internal oscillator, a fixed-frequency PWM control system, and a high-efficiency power switch.  

### **Features:**  
- **Fixed 5.0V Output**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Low Power Standby Mode (50µA typical)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Capacitors**  
- **Available in TO-220, DIP, and SOIC Packages**  

This regulator is commonly used in industrial, automotive, and consumer electronics applications where efficient step-down voltage conversion is required.

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