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MIC5259-3.3BML from MICREL

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MIC5259-3.3BML

Manufacturer: MICREL, MICREL

300mA High PSRR, Low Noise UCap CMOS LDO

Partnumber Manufacturer Quantity Availability
MIC5259-3.3BML,MIC525933BML MICREL, MICREL 10200 In Stock

Description and Introduction

300mA High PSRR, Low Noise UCap CMOS LDO **Introducing the MIC5259-3.3BML: A High-Performance LDO Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable voltage regulation is critical for ensuring optimal performance in sensitive circuits. The MIC5259-3.3BML stands out as a high-performance, low-dropout (LDO) linear regulator designed to deliver stable 3.3V output with exceptional efficiency and precision.  

Engineered for demanding applications, the MIC5259-3.3BML offers a low dropout voltage of just 300mV at 500mA, making it ideal for power-sensitive designs where energy conservation is paramount. Its ultra-low noise output and high power supply rejection ratio (PSRR) ensure clean, stable voltage delivery, even in noisy environments—perfect for RF, medical, and audio applications.  

Housed in a compact SOT-23-5 package, this regulator combines space efficiency with robust performance. It features built-in thermal shutdown and current-limiting protection, safeguarding connected components from potential damage due to overheating or overcurrent conditions. Additionally, its fast transient response minimizes output voltage fluctuations during sudden load changes, enhancing system reliability.  

The MIC5259-3.3BML operates over a wide input voltage range of 2.7V to 5.5V, accommodating various power sources, including batteries and regulated supplies. With a quiescent current as low as 75µA, it excels in battery-operated devices, extending operational life without compromising performance.  

Whether integrated into portable electronics, IoT devices, or industrial control systems, the MIC5259-3.3BML delivers consistent, high-quality power regulation. Its combination of efficiency, protection features, and compact form factor makes it a versatile choice for engineers seeking a dependable LDO solution.  

For designs requiring stable, low-noise voltage regulation, the MIC5259-3.3BML is a compelling option that balances performance with practicality.

Application Scenarios & Design Considerations

300mA High PSRR, Low Noise UCap CMOS LDO

Alternative Part Number

  • LP2985AIM5-3.3 --: Pin-compatible 3.3V low-dropout regulator in SOT-23-5 with similar 150mA output and low noise, widely available and a common drop-in replacement.
  • TLV70233PDBVR --: 3.3V LDO in SOT-23-5 with 300mA capability and low quiescent current, offering better current headroom than the original.
  • AP2112K-3.3TRG1 --: 3.3V 600mA LDO in SOT-23-5 with low dropout and stable ceramic-capacitor operation, suitable as a higher-current alternative.

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