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MIC5249-3.0YMM from MICREL

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MIC5249-3.0YMM

Manufacturer: MICREL

300mA μCap LDO with Programmable Power-On Reset Delay

Partnumber Manufacturer Quantity Availability
MIC5249-3.0YMM,MIC524930YMM MICREL 1418 In Stock

Description and Introduction

300mA μCap LDO with Programmable Power-On Reset Delay **Introducing the MIC5249-3.0YMM: A High-Performance LDO Voltage Regulator for Precision Applications**  

In today's fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive circuits. The **MIC5249-3.0YMM** stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable and precise 3.0V output with exceptional efficiency.  

Engineered for demanding applications, the MIC5249-3.0YMM features ultra-low noise and high power supply rejection ratio (PSRR), making it an ideal choice for RF systems, medical devices, and portable electronics where clean, stable power is essential. With a low dropout voltage of just 170mV at 150mA load, it maximizes efficiency while minimizing power dissipation—extending battery life in portable applications.  

The device offers outstanding thermal and line regulation, ensuring consistent performance across varying input voltages and temperature conditions. Its compact **SOT-23-5** package makes it suitable for space-constrained designs, while built-in protection features such as current limiting and thermal shutdown enhance system reliability.  

Key specifications include:  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** Up to 150mA  
- **Low Quiescent Current:** 40µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Wide Input Voltage Range:** 2.7V to 5.5V  

Whether used in IoT sensors, audio equipment, or precision instrumentation, the MIC5249-3.0YMM delivers the stability and efficiency required for next-generation electronic designs. Its robust performance and compact footprint make it a versatile solution for engineers seeking a dependable power management component.  

For applications demanding precision, efficiency, and reliability, the MIC5249-3.0YMM is a compelling choice.

Application Scenarios & Design Considerations

300mA μCap LDO with Programmable Power-On Reset Delay

Alternative Part Number

  • LP2985AIM5-3.0 --: Pin-compatible 3.0V low-dropout linear regulator in SOT-23-5 with similar current capability and low noise, widely available and well documented.
  • TLV70230PDBVR --: 3.0V fixed LDO in SOT-23-5 offering low quiescent current and good PSRR, a common drop-in style replacement for small Micrel LDOs.
  • AP2112K-3.0TRG1 --: 3.0V fixed LDO regulator in SOT-23-5 with 600mA capability, stable with ceramic output capacitors and cost-effective alternative.

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