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MIC5318-1.8YD5 from MICREL

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MIC5318-1.8YD5

Manufacturer: MICREL, MIC

High Performance 300mA μCap ULDO

Partnumber Manufacturer Quantity Availability
MIC5318-1.8YD5,MIC531818YD5 MICREL, MIC 44720 In Stock

Description and Introduction

High Performance 300mA μCap ULDO # **MIC5318-1.8YD5: A High-Performance LDO Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is essential for ensuring stable performance in sensitive circuits. The **MIC5318-1.8YD5** from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver exceptional efficiency and precision in a compact package.  

## **Key Features**  

The MIC5318-1.8YD5 provides a fixed **1.8V output** with an ultra-low dropout voltage of just **120mV at 150mA**, making it ideal for battery-powered and energy-sensitive applications. Its **low quiescent current (40µA typical)** enhances power efficiency, extending battery life in portable devices.  

With a **high power supply rejection ratio (PSRR) of 70dB at 1kHz**, this LDO effectively minimizes noise and ripple, ensuring clean power delivery to sensitive analog and digital circuits. The device also features **fast transient response**, maintaining stability even under sudden load changes.  

## **Robust and Reliable**  

The MIC5318-1.8YD5 is designed for durability, offering **overcurrent and thermal protection** to safeguard against fault conditions. Its **wide input voltage range (2.3V to 5.5V)** makes it versatile for various applications, from IoT devices to embedded systems.  

## **Compact and Easy to Integrate**  

Housed in a **space-saving 5-pin SOT-23 package**, the MIC5318-1.8YD5 is optimized for designs where board space is limited. Its simple external component requirement—only a small bypass capacitor—simplifies integration while maintaining high performance.  

## **Applications**  

- **Portable and battery-powered devices**  
- **Wireless communication modules**  
- **Sensors and precision analog circuits**  
- **FPGA and microcontroller power supplies**  

For engineers seeking a dependable, high-efficiency LDO regulator, the **MIC5318-1.8YD5** delivers the precision, stability, and compact form factor required in modern electronics. Its combination of low noise, high PSRR, and robust protection features makes it an excellent choice for demanding power management applications.

Application Scenarios & Design Considerations

High Performance 300mA μCap ULDO

Alternative Part Number

  • LP5907MFX-1.8/NOPB --: Low-noise 1.8V LDO in SOT-23-5 with similar current capability and pin-compatible footprint, widely available and well documented.
  • TLV70218PDBVR --: 1.8V fixed LDO in SOT-23-5 offering comparable dropout and load current, suitable drop-in replacement for space-constrained designs.
  • AP2112K-1.8TRG1 --: 1.8V CMOS LDO in SOT-23-5 with low quiescent current and stable output, a cost-effective alternative from a different series.

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