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MIC39300-1.8WU from MICREL

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MIC39300-1.8WU

Manufacturer: MICREL, MIC

3A, Low-Voltage Low-Dropout Regulator

Partnumber Manufacturer Quantity Availability
MIC39300-1.8WU,MIC3930018WU MICREL, MIC 3318 In Stock

Description and Introduction

3A, Low-Voltage Low-Dropout Regulator # Introducing the MIC39300-1.8WU: A High-Performance LDO Voltage Regulator  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring stable and efficient performance across a wide range of applications. The **MIC39300-1.8WU** from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to meet the demanding requirements of modern circuits.  

## Key Features  

The MIC39300-1.8WU delivers a fixed **1.8V output** with an impressive **300mA current capability**, making it ideal for powering sensitive low-voltage components such as microcontrollers, FPGAs, and RF modules. With an ultra-low dropout voltage of just **120mV at full load**, it ensures efficient operation even when the input voltage is close to the output level, minimizing power dissipation.  

Engineered for precision, this LDO regulator boasts an outstanding **±1% output voltage accuracy**, ensuring consistent performance across varying load and temperature conditions. Its **low quiescent current (40µA typical)** enhances energy efficiency, making it suitable for battery-powered and portable devices.  

## Robust and Reliable  

The MIC39300-1.8WU incorporates built-in protection features, including **thermal shutdown and current limiting**, safeguarding against overheating and short-circuit conditions. Its stable operation with small ceramic capacitors (as low as **1µF**) simplifies PCB design while reducing component count and cost.  

## Applications  

This versatile regulator is well-suited for a broad spectrum of applications, including:  
- **IoT and wireless devices**  
- **Embedded systems**  
- **Industrial automation**  
- **Consumer electronics**  

Available in a compact **SOT-23-5 package**, the MIC39300-1.8WU offers a space-saving solution without compromising performance.  

For engineers seeking a dependable, high-efficiency voltage regulator, the **MIC39300-1.8WU** provides an optimal balance of precision, reliability, and power efficiency—making it an excellent choice for next-generation electronic designs.

Application Scenarios & Design Considerations

3A, Low-Voltage Low-Dropout Regulator

Alternative Part Number

  • LM1085IT-1.8 --: 1.8V fixed low-dropout linear regulator in TO-220, similar current capability and pinout, widely available and well documented.
  • LT1085CT-1.8 --: 1.8V fixed LDO regulator with comparable dropout and load current, suitable drop-in for many MIC39300 applications.
  • AMS1085CM-1.8 --: Cost-effective 1.8V fixed LDO in a similar package and current range, commonly used as a replacement for Micrel 1.8V regulators.
  • AMS1085CD-1.8 --: 1.8V fixed low-dropout regulator in TO-252/TO-220 style packages, functionally similar and commonly used as a drop-in replacement.

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