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MIC39501-1.8BU from MICREL

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MIC39501-1.8BU

Manufacturer: MICREL

5A μCap Low-Voltage Low-Dropout Regulator

Partnumber Manufacturer Quantity Availability
MIC39501-1.8BU,MIC3950118BU MICREL 1903 In Stock

Description and Introduction

5A μCap Low-Voltage Low-Dropout Regulator # Introducing the MIC39501-1.8BU: A High-Performance LDO Voltage Regulator  

For engineers and designers seeking a reliable, high-performance voltage regulator, the **MIC39501-1.8BU** stands out as an exceptional choice. This low-dropout (LDO) linear regulator delivers a stable **1.8V output** with precision, making it ideal for power-sensitive applications in consumer electronics, industrial systems, and embedded designs.  

## Key Features  

- **Ultra-Low Dropout Voltage**: With a dropout voltage as low as **120mV at 1A**, the MIC39501-1.8BU ensures efficient operation even when the input voltage is close to the output level, minimizing power dissipation.  
- **High Output Accuracy**: The device maintains **±1% output voltage accuracy** over line, load, and temperature variations, providing consistent power to critical circuits.  
- **Fast Transient Response**: Engineered for dynamic loads, this regulator offers excellent transient performance, making it suitable for high-speed digital systems.  
- **Robust Protection**: Built-in features such as **thermal shutdown, current limiting, and reverse-current protection** enhance system reliability in demanding environments.  
- **Low Quiescent Current**: With a quiescent current of just **75µA**, the MIC39501-1.8BU is optimized for battery-powered applications where power efficiency is crucial.  

## Applications  

The MIC39501-1.8BU is well-suited for a variety of applications, including:  
- **Portable and IoT devices** requiring stable power with minimal energy loss  
- **FPGA and processor power rails** where precise voltage regulation is essential  
- **Industrial control systems** that demand high reliability under varying conditions  

## Compact and Easy to Implement  

Housed in a **space-saving 5-pin SOT-23 package**, the MIC39501-1.8BU simplifies board design while delivering high performance. Its minimal external component requirement further reduces design complexity and BOM costs.  

For engineers prioritizing efficiency, accuracy, and reliability, the **MIC39501-1.8BU** is a compelling solution for next-generation power management challenges.

Application Scenarios & Design Considerations

5A μCap Low-Voltage Low-Dropout Regulator

Alternative Part Number

  • LP38691SD-1.8 --: 1.8V fixed low-dropout linear regulator in a similar package with comparable current capability, widely available and pin-compatible in most designs.
  • LT1963AEST-1.8 --: 1.8V fixed LDO regulator with low dropout and good noise performance, suitable drop-in replacement for the MIC39501 in most applications.
  • TPS7A4518DCQ --: 1.8V fixed low-noise LDO regulator with high current capability and thermal performance comparable to the original Micrel part.
  • LT1963AEQ-1.8 --: 1.8V fixed LDO regulator offering low dropout and stable operation, suitable as a functional replacement in most designs.

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