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MIC4576-3.3BT from MICREL

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MIC4576-3.3BT

Manufacturer: MICREL, MIC

200kHz Simple 3A Buck Voltage Regulator

Partnumber Manufacturer Quantity Availability
MIC4576-3.3BT,MIC457633BT MICREL, MIC 6425 In Stock

Description and Introduction

200kHz Simple 3A Buck Voltage Regulator **Introducing the MIC4576-3.3BT: 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 embedded systems, industrial controls, and portable devices. The MIC4576-3.3BT stands out as a high-efficiency, low-dropout (LDO) voltage regulator designed to deliver stable 3.3V output with exceptional precision.  

Engineered for demanding applications, the MIC4576-3.3BT offers a low dropout voltage of just 340mV at 1A, making it ideal for battery-powered systems where energy efficiency is paramount. Its robust design ensures minimal power dissipation while maintaining tight voltage regulation, even under fluctuating load conditions.  

Key features include a wide input voltage range of 4.3V to 30V, allowing seamless integration into diverse power architectures. The device incorporates built-in thermal shutdown and current-limiting protection, safeguarding against overheating and short circuits. Additionally, its low quiescent current enhances efficiency in standby or low-power modes, extending battery life in portable applications.  

The MIC4576-3.3BT is housed in a compact TO-220 package, providing excellent thermal performance and ease of mounting. Its straightforward design eliminates the need for external pass transistors, simplifying circuit implementation while reducing component count.  

Whether deployed in industrial automation, telecommunications, or consumer electronics, the MIC4576-3.3BT delivers reliable, noise-free power with minimal external components. Its combination of high efficiency, thermal resilience, and precise regulation makes it a preferred choice for engineers seeking dependable voltage control in space-constrained designs.  

For applications requiring stable, efficient power delivery, the MIC4576-3.3BT offers a proven solution that balances performance with simplicity. Its robust specifications and industry-standard packaging ensure compatibility across a broad spectrum of electronic systems, reinforcing its role as a cornerstone of modern power management.

Application Scenarios & Design Considerations

200kHz Simple 3A Buck Voltage Regulator

Alternative Part Number

  • LM2576T-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.
  • LM2596T-3.3 --: 3A step-down switching regulator with 3.3V fixed output, similar pinout and function, good second-source option with broad availability.
  • AP1501-33T5 --: 3A step-down converter with 3.3V output in a TO-220-style package, functionally equivalent and cost-effective alternative.
  • LT1076CT-3.3 --: 3.3V step-down switching regulator in TO-220 with comparable input range and load capability, suitable as a functional substitute.

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