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MIC39500-2.5BU from MICREL

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MIC39500-2.5BU

Manufacturer: MICREL

5A Low-Voltage Low-Dropout Regulator Advance Information

Partnumber Manufacturer Quantity Availability
MIC39500-2.5BU,MIC3950025BU MICREL 630 In Stock

Description and Introduction

5A Low-Voltage Low-Dropout Regulator Advance Information # **Introducing the MIC39500-2.5BU: A High-Performance LDO Voltage Regulator**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive applications. The **MIC39500-2.5BU** from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver precision power with exceptional efficiency.  

## **Key Features and Benefits**  

### **1. Ultra-Low Dropout Voltage**  
The MIC39500-2.5BU operates with an ultra-low dropout voltage, making it ideal for battery-powered and energy-sensitive applications. Even with minimal headroom, it maintains a stable 2.5V output, ensuring consistent performance in low-voltage conditions.  

### **2. High Output Accuracy**  
With a tight output voltage tolerance of **±1%**, this regulator provides precise voltage regulation, crucial for analog circuits, microcontrollers, and RF systems where voltage stability is paramount.  

### **3. Low Quiescent Current**  
Designed for power efficiency, the MIC39500-2.5BU features a low quiescent current, reducing power consumption in standby or idle modes. This makes it an excellent choice for portable and IoT devices that demand extended battery life.  

### **4. Robust Protection Features**  
The regulator includes built-in protection mechanisms such as **thermal shutdown and current limiting**, safeguarding against overheating and short circuits. These features enhance reliability in demanding environments.  

### **5. Compact and Versatile**  
Available in a space-saving **SOT-223 package**, the MIC39500-2.5BU is well-suited for compact PCB designs. Its wide input voltage range (up to **5.5V**) ensures compatibility with various power sources.  

## **Applications**  
The MIC39500-2.5BU is ideal for:  
- **Portable and battery-operated devices**  
- **Embedded systems and microcontrollers**  
- **Wireless communication modules**  
- **Industrial and automotive electronics**  

## **Conclusion**  
Engineers seeking a dependable, high-efficiency LDO regulator will find the **MIC39500-2.5BU** an excellent solution. Its combination of low dropout, high accuracy, and robust protection makes it a versatile choice for modern power management challenges.  

For detailed specifications and integration guidance, refer to the official datasheet.

Application Scenarios & Design Considerations

5A Low-Voltage Low-Dropout Regulator Advance Information

Alternative Part Number

  • LP3965EMP-2.5 --: 2.5V fixed LDO regulator in a similar power package with comparable dropout and current rating, widely available and pin-compatible in function.
  • LT1963AEST-2.5 --: 2.5V fixed low-dropout regulator with similar current capability and thermal performance, suitable as a direct functional replacement.
  • TPS7A4525 --: Modern 2.5V fixed LDO with low noise and good dropout characteristics, offering improved performance over the original Micrel part.
  • LM1085IT-2.5 --: 5A low-dropout linear regulator with fixed 2.5V output in TO-220, functionally equivalent to the MIC39500-2.5 and widely available.
  • LT1085CT-2.5 --: 5A LDO regulator with 2.5V fixed output, similar dropout and current capability, suitable drop-in replacement in most designs.
  • AMS1085CM-2.5 --: Low-cost 5A LDO regulator with 2.5V output, pin-compatible with typical 1085-series regulators and a practical substitute.

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