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MIC5201-5.0YS from MICREL

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MIC5201-5.0YS

Manufacturer: MICREL, MIC

200mA Low-Dropout Regulator

Partnumber Manufacturer Quantity Availability
MIC5201-5.0YS,MIC520150YS MICREL, MIC 5761 In Stock

Description and Introduction

200mA Low-Dropout Regulator # **Introducing the MIC5201-5.0YS: A High-Performance Voltage Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive circuits. The **MIC5201-5.0YS** from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable and efficient power in a compact package.  

## **Key Features and Benefits**  

### **1. Ultra-Low Dropout Voltage**  
The MIC5201-5.0YS offers an exceptionally low dropout voltage of just **50mV at 50mA**, making it ideal for battery-powered applications where maximizing efficiency is crucial.  

### **2. High Accuracy and Stability**  
With a fixed **5.0V output** and an impressive **±1% accuracy**, this regulator ensures consistent voltage delivery, minimizing fluctuations that could affect sensitive components.  

### **3. Low Quiescent Current**  
Featuring a **quiescent current of just 1.5mA**, the MIC5201-5.0YS enhances power efficiency, extending battery life in portable devices.  

### **4. Robust Protection Features**  
Built-in **thermal shutdown and current limiting** safeguard the regulator and connected circuits from overheating and overcurrent conditions, improving system reliability.  

### **5. Compact and Versatile**  
Available in a **SOT-223-3 package**, the MIC5201-5.0YS is space-efficient, making it suitable for applications with strict PCB size constraints.  

## **Applications**  
The MIC5201-5.0YS is well-suited for a wide range of applications, including:  
- **Portable and battery-powered devices**  
- **Embedded systems and microcontrollers**  
- **Industrial control systems**  
- **Medical and instrumentation equipment**  

## **Conclusion**  
Engineers seeking a dependable, high-efficiency LDO regulator will find the **MIC5201-5.0YS** an excellent choice. Its combination of low dropout, high accuracy, and robust protection features ensures stable power delivery for precision electronics.  

For designers prioritizing performance and reliability, the MIC5201-5.0YS offers a compelling solution for modern power management challenges.

Application Scenarios & Design Considerations

200mA Low-Dropout Regulator

Alternative Part Number

  • LM2937IMP-5.0 --: 5.0V fixed low-dropout linear regulator in SOT-223, similar current capability and pinout, widely available and well documented.
  • LP2951-50 --: 5.0V fixed LDO regulator with comparable dropout and output current, available in SOT-223 style packages, good functional substitute.
  • AMS1117-5.0 --: Common 5.0V LDO regulator in SOT-223 with similar electrical characteristics, low cost and broad availability as a drop-in style replacement.
  • LP2951-5.0 --: Widely available 5V low-dropout linear regulator in a comparable package with similar current capability and pinout, a common drop-in substitute for the MIC5201 series.
  • LM2937-5.0 --: 5V fixed LDO regulator with comparable dropout and output current, well suited as a functional replacement where the MIC5201-5.0 is used.
  • MC33269D-5.0 --: 5.0V fixed LDO regulator in DPAK/SOT-223, comparable dropout and current rating, suitable alternative when SOT-223 package is needed.

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