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MIC5205-3.1YM5 from MICREL

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MIC5205-3.1YM5

Manufacturer: MICREL, MIC

150mA Low-Noise LDO Regulator

Partnumber Manufacturer Quantity Availability
MIC5205-3.1YM5,MIC520531YM5 MICREL, MIC 46500 In Stock

Description and Introduction

150mA Low-Noise LDO Regulator **Introducing the MIC5205-3.1YM5: A Compact, High-Performance LDO Regulator**  

For engineers and designers seeking a reliable, low-dropout (LDO) voltage regulator, the MIC5205-3.1YM5 offers an exceptional balance of performance, efficiency, and compact design. This high-performance regulator delivers a fixed 3.1V output with ultra-low noise and excellent line/load regulation, making it ideal for sensitive analog and digital applications.  

Designed for efficiency, the MIC5205-3.1YM5 operates with a remarkably low dropout voltage—just 350mV at 150mA—ensuring stable power delivery even when input voltages are close to the output level. Its low quiescent current (160µA typical) minimizes power loss, extending battery life in portable and IoT devices.  

The device features built-in thermal shutdown and current-limiting protection, safeguarding against overheating and short circuits. With a wide input voltage range of 2.5V to 16V, it accommodates diverse power sources, from batteries to unregulated DC supplies.  

Housed in a space-saving SOT-23-5 package, the MIC5205-3.1YM5 is perfect for space-constrained designs, including wearables, medical devices, and embedded systems. Its fast transient response ensures reliable performance under dynamic load conditions, while low output noise enhances signal integrity in RF and precision analog circuits.  

Whether powering microcontrollers, sensors, or communication modules, the MIC5205-3.1YM5 provides a robust, efficient solution with minimal external components. Its combination of reliability, compact size, and advanced protection features makes it a standout choice for modern electronic designs.  

For applications demanding stable, clean power in a small footprint, the MIC5205-3.1YM5 delivers uncompromising performance.

Application Scenarios & Design Considerations

150mA Low-Noise LDO Regulator

Alternative Part Number

  • LP2985AIM5-3.1 --: Pin-compatible low-dropout linear regulator in SOT-23-5 with the same 3.1V fixed output and similar current capability, widely available and well documented.
  • AP2112K-3.1TRG1 --: SOT-23-5 LDO regulator offering a 3.1V fixed output with comparable dropout and load current, suitable as a direct functional replacement.
  • TLV70231PDBVR --: Low-noise 3.1V LDO in SOT-23-5 with similar electrical characteristics and pinout, providing a robust alternative when the original Micrel part is unavailable.

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