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MIC5259-2.8BD5 from MICREL

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MIC5259-2.8BD5

Manufacturer: MICREL

300mA High PSRR, Low Noise UCap CMOS LDO

Partnumber Manufacturer Quantity Availability
MIC5259-2.8BD5,MIC525928BD5 MICREL 6100 In Stock

Description and Introduction

300mA High PSRR, Low Noise UCap CMOS LDO **Introducing the MIC5259-2.8BD5: A High-Performance LDO Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive circuits. The **MIC5259-2.8BD5** is a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable and efficient power in demanding applications.  

Engineered for precision, the MIC5259-2.8BD5 provides a fixed **2.8V output** with an ultra-low dropout voltage of just **200mV at 150mA load current**, making it ideal for battery-powered and space-constrained designs. Its low quiescent current of **40µA (typical)** enhances energy efficiency, extending operational life in portable devices.  

One of the standout features of this LDO regulator is its **excellent transient response**, ensuring minimal output deviation even under sudden load changes. With a low output noise level and high power supply rejection ratio (PSRR), the MIC5259-2.8BD5 is well-suited for noise-sensitive applications such as RF modules, medical devices, and precision analog circuits.  

The device integrates **thermal shutdown and current-limiting protection**, safeguarding against overheating and short-circuit conditions. Its compact **SOT-23-5 package** allows for easy integration into dense PCB layouts, making it a versatile choice for modern electronics.  

Whether used in IoT sensors, wearables, or embedded systems, the MIC5259-2.8BD5 delivers **reliable, low-noise power regulation** with minimal external components. Its robust performance and efficiency make it a preferred solution for engineers seeking dependable voltage regulation in critical designs.  

For applications requiring stable, low-power operation, the MIC5259-2.8BD5 stands out as a high-performance LDO regulator that meets the demands of next-generation electronics.

Application Scenarios & Design Considerations

300mA High PSRR, Low Noise UCap CMOS LDO

Alternative Part Number

  • LP2985AIM5-2.8 --: Pin-compatible 2.8V low-dropout regulator in SOT-23-5 with similar 150mA output and low noise, widely available and a common drop-in replacement.
  • TLV70228PDBVR --: 2.8V LDO in SOT-23-5 with 300mA capability and low quiescent current, offering better current headroom while keeping the same package and pinout.
  • AP2112K-2.8TRG1 --: 2.8V fixed LDO in SOT-23-5 with 600mA output and low dropout, suitable when higher load current is needed and pin-compatible with the original footprint.

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