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MIC4576-3.3BU from MICREL

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MIC4576-3.3BU

Manufacturer: MICREL, NS

200kHz Simple 3A Buck Voltage Regulator

Partnumber Manufacturer Quantity Availability
MIC4576-3.3BU,MIC457633BU MICREL, NS 936 In Stock

Description and Introduction

200kHz Simple 3A Buck Voltage Regulator **Introducing the MIC4576-3.3BU: A High-Performance Voltage Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in a wide range of applications. The MIC4576-3.3BU from Microchip Technology stands out as a high-efficiency, low-dropout (LDO) voltage regulator designed to deliver stable 3.3V output with exceptional accuracy and minimal power loss.  

Engineered for demanding environments, the MIC4576-3.3BU offers a robust solution for systems requiring precise voltage regulation. With a low dropout voltage of just 340mV at 1A, it maximizes efficiency, making it ideal for battery-powered devices, embedded systems, and portable electronics where energy conservation is paramount. Its wide input voltage range (4.3V to 16V) ensures compatibility with various power sources, while built-in thermal shutdown and current-limiting features enhance reliability under challenging conditions.  

One of the key advantages of the MIC4576-3.3BU is its low quiescent current, which minimizes power consumption during standby or light-load operation. This makes it particularly suitable for IoT devices, industrial sensors, and automotive applications where extended battery life is essential. Additionally, its fast transient response ensures stable performance even during sudden load changes, preventing voltage fluctuations that could disrupt sensitive circuitry.  

The regulator’s compact TO-220 package provides excellent thermal dissipation, simplifying heat management in space-constrained designs. Its ease of integration, combined with minimal external component requirements, allows for streamlined PCB layouts and reduced development time.  

Whether used in medical instrumentation, telecommunications, or consumer electronics, the MIC4576-3.3BU delivers dependable power regulation with efficiency and precision. For engineers seeking a high-performance LDO regulator that balances power efficiency with reliability, this component is a compelling choice.  

By incorporating the MIC4576-3.3BU into your next design, you can achieve stable, efficient power delivery while minimizing energy waste—ensuring long-term performance and durability for your electronic systems.

Application Scenarios & Design Considerations

200kHz Simple 3A Buck Voltage Regulator

Alternative Part Number

  • LM2576S-3.3 --: Pin-compatible 3A step-down regulator with fixed 3.3V output, widely available and a common drop-in replacement for the MIC4576 series.
  • LM2596S-3.3 --: 3A step-down switching regulator with fixed 3.3V output in a similar TO-263 package, offering comparable current capability and easy availability.
  • AP1501-33 --: 3A step-down converter with 3.3V fixed output in a comparable package, suitable as a lower-cost alternative with similar electrical characteristics.
  • MP1584EN-3.3 --: Compact 3A step-down converter with 3.3V fixed output; suitable functional alternative when board space is limited, though pinout differs.

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