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MIC2940A-5.0BT from MICREL

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MIC2940A-5.0BT

Manufacturer: MICREL

1.25A Low-Dropout Voltage Regulator Preliminary Information

Partnumber Manufacturer Quantity Availability
MIC2940A-5.0BT,MIC2940A50BT MICREL 81500 In Stock

Description and Introduction

1.25A Low-Dropout Voltage Regulator Preliminary Information # Introducing the MIC2940A-5.0BT: A High-Performance Voltage Regulator for Precision Applications  

In today’s fast-evolving electronics landscape, reliable voltage regulation is critical for ensuring stable performance in sensitive circuits. The MIC2940A-5.0BT stands out as a robust, high-accuracy linear voltage regulator designed to meet the demands of precision applications.  

With a fixed 5.0V output and a maximum current capacity of 1.5A, the MIC2940A-5.0BT delivers consistent power with minimal dropout voltage—just 350mV at full load. This makes it an excellent choice for systems where efficiency and low power dissipation are priorities. Its low quiescent current further enhances energy efficiency, making it suitable for battery-powered devices.  

Engineered for reliability, the MIC2940A-5.0BT features built-in protection mechanisms, including thermal shutdown and current limiting, safeguarding against overheating and short circuits. Its wide input voltage range (up to 26V) ensures compatibility with various power sources, while its high PSRR (Power Supply Rejection Ratio) minimizes noise interference in sensitive analog and digital circuits.  

Housed in a compact TO-220 package, this regulator is easy to integrate into both industrial and consumer electronics, such as embedded systems, instrumentation, and automotive applications. Its robust design ensures stable operation across a broad temperature range, making it ideal for harsh environments.  

For engineers seeking a dependable, high-performance voltage regulator, the MIC2940A-5.0BT offers an optimal balance of precision, efficiency, and durability. Its combination of low dropout, high current capability, and advanced protection features makes it a standout solution for demanding electronic designs.

Application Scenarios & Design Considerations

1.25A Low-Dropout Voltage Regulator Preliminary Information

Alternative Part Number

  • LM2940CT-5.0 --: Pin-compatible 5V low-dropout linear regulator in TO-220 with similar dropout and current rating, widely available and often used as a direct substitute.
  • L4940V5 --: 5V LDO regulator in TO-220 with comparable dropout voltage and output current, suitable drop-in replacement for many MIC2940A applications.
  • LT1085CT-5 --: 5V fixed LDO regulator in TO-220 with higher current capability and similar pinout, usable where extra current margin is acceptable.
  • MC7805BTG --: Standard 5V linear regulator in TO-220; lower cost and widely stocked, though it has higher dropout so it fits applications where input headroom is sufficient.

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