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MIC5318-2.5YD5 from MICREL

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MIC5318-2.5YD5

Manufacturer: MICREL, MIC, MICREL

High Performance 300mA μCap ULDO

Partnumber Manufacturer Quantity Availability
MIC5318-2.5YD5,MIC531825YD5 MICREL, MIC, MICREL 66333 In Stock

Description and Introduction

High Performance 300mA μCap ULDO # **Introducing the MIC5318-2.5YD5: A High-Performance LDO Voltage Regulator**  

The **MIC5318-2.5YD5** is a high-efficiency, low-dropout (LDO) voltage regulator designed to deliver stable and precise power management for a wide range of applications. With a fixed output voltage of **2.5V**, this compact regulator ensures reliable performance in space-constrained designs while minimizing power dissipation.  

Engineered for efficiency, the MIC5318-2.5YD5 features an ultra-low dropout voltage of just **150mV at 300mA**, making it ideal for battery-powered devices and energy-sensitive systems. Its low quiescent current of **75µA** (typical) further enhances power efficiency, extending battery life in portable electronics such as IoT sensors, wearables, and handheld devices.  

The regulator provides excellent line and load regulation, ensuring stable output even under fluctuating input voltages or varying load conditions. With a high **75dB PSRR (Power Supply Rejection Ratio)**, the MIC5318-2.5YD5 effectively suppresses noise, making it suitable for noise-sensitive applications like RF modules, medical devices, and precision analog circuits.  

Housed in a **1mm × 1mm DFN-6 package**, the MIC5318-2.5YD5 is optimized for compact PCB layouts without compromising thermal performance. Integrated protection features, including **thermal shutdown and current limiting**, safeguard the device and connected components from potential damage.  

Whether used in industrial control systems, consumer electronics, or embedded computing, the MIC5318-2.5YD5 delivers a robust, low-noise power solution with minimal external components. Its combination of efficiency, stability, and compact form factor makes it a versatile choice for modern electronic designs.  

For engineers seeking a dependable LDO regulator with superior performance, the **MIC5318-2.5YD5** stands out as a high-quality solution for demanding power management challenges.

Application Scenarios & Design Considerations

High Performance 300mA μCap ULDO

Alternative Part Number

  • LP2985AIM5-2.5 --: Low-dropout linear regulator with fixed 2.5V output in SOT-23-5, functionally equivalent to the MIC5318 series and widely available.
  • TLV70225PDBVR --: 2.5V fixed LDO in SOT-23-5 with low quiescent current and good PSRR, suitable drop-in replacement for the MIC5318-2.5YD5.
  • AP2112K-2.5TRG1 --: 2.5V fixed-output LDO in SOT-23-5 with similar current capability and pinout, offering a cost-effective alternative.
  • LP5907MFX-2.5/NOPB --: Low-noise 250 mA LDO in SOT-23-5 with fixed 2.5 V output, functionally equivalent to the MIC5318 and widely available.
  • LP3985IM5-2.5 --: Low-dropout 2.5V regulator in SOT-23-5 with similar current capability and pinout, widely available and a common drop-in substitute.
  • AP2127K-2.5TRG1 --: 2.5V LDO regulator in SOT-23-5 with comparable dropout and load current, offering a cost-effective alternative.

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