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MIC5255-3.3BD5 from MICREL

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MIC5255-3.3BD5

Manufacturer: MICREL, MIC

150mA Low Noise UCap CMOS LDO

Partnumber Manufacturer Quantity Availability
MIC5255-3.3BD5,MIC525533BD5 MICREL, MIC 6089 In Stock

Description and Introduction

150mA Low Noise UCap CMOS LDO # **MIC5255-3.3BD5: A High-Performance LDO Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is crucial for ensuring optimal performance in sensitive circuits. The **MIC5255-3.3BD5** is a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable and efficient power in a compact footprint. With a fixed 3.3V output and a low dropout voltage, this regulator is ideal for applications requiring precision and efficiency.  

## **Key Features and Benefits**  

- **Low Dropout Voltage:** The MIC5255-3.3BD5 operates with a minimal dropout voltage, making it suitable for battery-powered devices where energy efficiency is critical.  
- **High Output Accuracy:** With tight voltage regulation (±1.5%), this LDO ensures consistent performance for sensitive components such as microcontrollers, FPGAs, and RF modules.  
- **Ultra-Low Noise & High PSRR:** The device minimizes output noise and provides excellent power supply ripple rejection, enhancing signal integrity in noise-sensitive applications.  
- **Fast Transient Response:** The regulator quickly adapts to load changes, maintaining stability in dynamic operating conditions.  
- **Thermal and Overcurrent Protection:** Built-in safeguards prevent damage from excessive heat or current, improving system reliability.  

## **Applications**  

The MIC5255-3.3BD5 is well-suited for a variety of applications, including:  
- Portable and battery-powered electronics  
- IoT and wireless communication devices  
- Embedded systems and industrial controls  
- Medical and instrumentation equipment  

## **Compact and Easy to Integrate**  

Available in a space-saving **5-pin SOT-23 package**, the MIC5255-3.3BD5 simplifies PCB design while delivering robust performance. Its low quiescent current further enhances efficiency, making it an excellent choice for power-sensitive designs.  

For engineers seeking a dependable, high-performance LDO regulator, the **MIC5255-3.3BD5** offers an optimal balance of precision, efficiency, and reliability. Whether in consumer electronics or industrial systems, this component ensures stable power delivery for mission-critical applications.

Application Scenarios & Design Considerations

150mA Low Noise UCap CMOS LDO

Alternative Part Number

  • LP2985AIM5-3.3 --: Pin-compatible 3.3V low-dropout linear regulator in SOT-23-5 with similar 150mA output current and low noise, widely available and a common drop-in replacement.
  • TLV70233PDBVR --: 3.3V fixed LDO in SOT-23-5 with 300mA capability, low quiescent current, and stable performance, offering better current headroom than the original.
  • AP2112K-3.3TRG1 --: 3.3V fixed LDO regulator in SOT-23-5 with 600mA output, low dropout, and low cost, suitable as a higher-current alternative to the MIC5255.

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