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MIC2937A-3.3BT from MICREL

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MIC2937A-3.3BT

Manufacturer: MICREL, MIC

750mA Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
MIC2937A-3.3BT,MIC2937A33BT MICREL, MIC 280 In Stock

Description and Introduction

750mA Low-Dropout Voltage Regulator # **MIC2937A-3.3BT: A High-Performance 3.3V Voltage Regulator for Demanding Applications**  

The **MIC2937A-3.3BT** is a high-performance, low-dropout (LDO) voltage regulator designed to deliver a stable 3.3V output with exceptional precision and reliability. Engineered for demanding applications, this regulator combines robust performance with advanced features, making it an ideal choice for power-sensitive electronics in industrial, automotive, and telecommunications systems.  

## **Key Features and Benefits**  

- **Low Dropout Voltage:** With a dropout voltage as low as 350mV at full load, the MIC2937A-3.3BT ensures efficient operation even when input voltage margins are tight.  
- **High Output Current:** Capable of delivering up to 500mA of continuous current, this regulator supports power-hungry circuits without compromising stability.  
- **Exceptional Accuracy:** The device maintains a tight output voltage tolerance of ±1% over line, load, and temperature variations, ensuring consistent performance in critical applications.  
- **Built-In Protection:** Featuring thermal shutdown, current limiting, and reverse-battery protection, the MIC2937A-3.3BT safeguards both the regulator and downstream components from potential damage.  
- **Wide Operating Temperature Range:** With a temperature range of -40°C to +125°C, this regulator is well-suited for harsh environments, including automotive and industrial settings.  

## **Applications**  

The MIC2937A-3.3BT is widely used in applications requiring a stable and efficient power supply, such as:  
- Embedded systems and microcontrollers  
- Automotive electronics  
- Industrial control systems  
- Networking and communication devices  
- Portable and battery-powered equipment  

## **Conclusion**  

For engineers seeking a dependable 3.3V regulator with high efficiency, precision, and ruggedness, the **MIC2937A-3.3BT** stands out as a superior solution. Its combination of low dropout, high current capability, and robust protection features makes it an excellent choice for powering sensitive electronics in challenging conditions. Whether in industrial automation, automotive systems, or telecommunications, this regulator delivers consistent performance where it matters most.

Application Scenarios & Design Considerations

750mA Low-Dropout Voltage Regulator

Alternative Part Number

  • LM2937ET-3.3 --: Pin-compatible 3.3V low-dropout regulator in TO-220 with similar current rating and dropout characteristics, widely available and often a drop-in replacement.
  • LT1086CT-3.3 --: 3.3V LDO regulator in TO-220 with comparable current capability and thermal performance, suitable for similar power supply designs.
  • MC33269T-3.3 --: 3.3V fixed LDO regulator in TO-220 offering similar voltage accuracy and current handling, a common alternative for legacy Micrel designs.
  • LT1085CT-3.3 --: 3.3V LDO regulator in TO-220 with similar current capability and dropout performance, suitable as a drop-in replacement.

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