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MIC5239-1.8BS from MICREL

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15.137ms

MIC5239-1.8BS

Manufacturer: MICREL

Low Quiescent Current 500mA μCap LDO Regulator

Partnumber Manufacturer Quantity Availability
MIC5239-1.8BS,MIC523918BS MICREL 1812 In Stock

Description and Introduction

Low Quiescent Current 500mA μCap LDO Regulator **Introducing the MIC5239-1.8BS: A High-Performance LDO Voltage Regulator**  

For engineers and designers seeking a reliable, low-dropout (LDO) voltage regulator, the **MIC5239-1.8BS** stands out as an exceptional choice. This compact, high-performance regulator delivers a stable **1.8V output** with ultra-low noise and excellent line/load regulation, making it ideal for sensitive analog and digital applications.  

Designed for efficiency, the MIC5239-1.8BS operates with a minimal dropout voltage of just **150mV at 150mA**, ensuring optimal performance even with tight input voltage margins. Its low quiescent current of **75µA (typical)** enhances power efficiency, making it suitable for battery-powered devices and portable electronics.  

The device features **high PSRR (Power Supply Rejection Ratio)**, minimizing output fluctuations caused by input voltage variations—critical for precision circuits such as RF modules, data converters, and medical instrumentation. Additionally, built-in protection mechanisms, including **thermal shutdown and current limiting**, safeguard against overheating and short-circuit conditions.  

Available in a space-saving **SOT-223 package**, the MIC5239-1.8BS is easy to integrate into compact PCB designs while maintaining excellent thermal performance. Its robust design ensures stable operation across a **wide temperature range (-40°C to +125°C)**, catering to industrial and automotive applications.  

Whether used in IoT devices, embedded systems, or power-sensitive designs, the MIC5239-1.8BS combines reliability, efficiency, and precision—making it a go-to solution for engineers prioritizing performance in constrained environments.  

For applications demanding a dependable 1.8V supply with minimal noise and dropout, the MIC5239-1.8BS delivers uncompromising quality and efficiency.

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