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MIC2920A-3.3WS from MIC

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MIC2920A-3.3WS

Manufacturer: MIC, MICREL

400mA Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
MIC2920A-3.3WS,MIC2920A33WS MIC, MICREL 1234 In Stock

Description and Introduction

400mA Low-Dropout Voltage Regulator # **MIC2920A-3.3WS: A Reliable Low-Dropout Voltage Regulator for Precision Applications**  

When it comes to stable and efficient power management, the **MIC2920A-3.3WS** stands out as a high-performance low-dropout (LDO) voltage regulator. Designed to deliver a fixed **3.3V output** with exceptional accuracy, this component is ideal for applications requiring reliable voltage regulation under varying load conditions.  

## **Key Features**  

- **Low Dropout Voltage:** With a dropout voltage as low as **350mV at 500mA**, the MIC2920A-3.3WS ensures efficient operation even when the input voltage is close to the output level.  
- **High Output Current:** Capable of supplying up to **500mA**, this regulator supports a wide range of power-hungry applications.  
- **Excellent Line and Load Regulation:** Maintains stable output despite fluctuations in input voltage or load changes, making it suitable for sensitive electronics.  
- **Built-in Protection:** Features **overcurrent protection, thermal shutdown, and reverse battery protection**, enhancing system reliability.  
- **Low Quiescent Current:** Optimized for battery-powered devices, minimizing power consumption in standby modes.  

## **Applications**  

The MIC2920A-3.3WS is widely used in:  
- **Embedded systems** and microcontrollers  
- **Portable electronics**, including IoT devices  
- **Industrial control systems**  
- **Automotive electronics**  
- **Medical equipment** requiring precise voltage regulation  

## **Why Choose the MIC2920A-3.3WS?**  

Engineers favor this regulator for its **robust performance, compact SOT-223 package, and extended temperature range (-40°C to +125°C)**, ensuring reliable operation in harsh environments. Whether for prototyping or mass production, the MIC2920A-3.3WS provides a dependable power solution with minimal external components.  

For applications demanding **high efficiency, stability, and protection**, the MIC2920A-3.3WS is a proven choice that delivers consistent performance.

Application Scenarios & Design Considerations

400mA Low-Dropout Voltage Regulator

Alternative Part Number

  • LM2937IMP-3.3 --: Low-dropout 3.3V linear regulator in SOT-223 with similar current capability and pinout, widely available and a common drop-in substitute.
  • LP2950ACZ-3.3 --: 3.3V low-dropout regulator in TO-92 with comparable dropout and quiescent current, suitable for similar low-power applications.
  • AMS1117-3.3 --: Very common 3.3V LDO regulator in SOT-223, low cost and widely stocked, though dropout and quiescent current are slightly higher than the original.
  • LM2937ET-3.3 --: 3.3V low-dropout linear regulator in TO-220, similar current capability and pinout, widely available and pin-compatible replacement.
  • LP2953AIM-3.3 --: 3.3V low-dropout regulator with comparable dropout and quiescent current, suitable for similar low-power applications.
  • LT1086CT-3.3 --: 3.3V LDO regulator in TO-220 with higher current rating, robust drop-in style alternative for the same voltage rail.

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