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MIC5237-3.3BT from MICREL

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MIC5237-3.3BT

Manufacturer: MICREL, MIC

500mA Low-Dropout Regulator Preliminary Information

Partnumber Manufacturer Quantity Availability
MIC5237-3.3BT,MIC523733BT MICREL, MIC 6389 In Stock

Description and Introduction

500mA Low-Dropout Regulator Preliminary Information **Introducing the MIC5237-3.3BT: A Reliable Low-Dropout Regulator for Precision Power Management**  

In today’s demanding electronic applications, stable and efficient voltage regulation is critical. The MIC5237-3.3BT is a high-performance, low-dropout (LDO) regulator designed to deliver a fixed 3.3V output with exceptional accuracy and minimal power loss. Ideal for battery-powered devices, embedded systems, and portable electronics, this regulator ensures reliable performance even under challenging conditions.  

Engineered for precision, the MIC5237-3.3BT features a low dropout voltage of just 350mV at 500mA, maximizing efficiency while minimizing heat dissipation. Its ultra-low quiescent current makes it particularly suitable for power-sensitive applications, extending battery life without compromising performance. With a tight output voltage tolerance of ±2%, this LDO provides the stability required for sensitive analog and digital circuits.  

The device incorporates advanced protection features, including thermal shutdown and current limiting, safeguarding against overloads and excessive temperatures. Its fast transient response ensures consistent voltage regulation even during sudden load changes, making it a dependable choice for dynamic applications.  

Housed in a compact SOT-223 package, the MIC5237-3.3BT offers excellent thermal performance and ease of integration into space-constrained designs. Its simple external component requirements further simplify board layout, reducing development time and cost.  

Whether used in industrial control systems, IoT devices, or consumer electronics, the MIC5237-3.3BT delivers robust, efficient power management with minimal design complexity. For engineers seeking a high-quality, fixed-output LDO regulator, this component stands out as a reliable and cost-effective solution.  

By combining low power consumption, high accuracy, and robust protection, the MIC5237-3.3BT ensures optimal performance in a wide range of applications, making it an essential component for modern electronic designs.

Application Scenarios & Design Considerations

500mA Low-Dropout Regulator Preliminary Information

Alternative Part Number

  • LM3940IT-3.3 --: Pin-compatible 3.3V low-dropout linear regulator in TO-220, widely available and functionally equivalent to the MIC5237-3.3BT.
  • LP2954IT-3.3 --: 3.3V LDO regulator in TO-220 with similar current capability and dropout characteristics, suitable as a direct functional replacement.
  • MC33269DT-3.3G --: 3.3V fixed LDO regulator in DPAK/TO-220 style package offering comparable performance and a different series naming for easy distinction.
  • AMS1117-3.3 --: Very common 3.3V LDO regulator with similar current capability and low cost; suitable for most applications where the MIC5237 is used.
  • LD1117V33 --: 3.3V fixed LDO regulator in TO-220 package with comparable dropout and current ratings, offering a reliable alternative source.

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