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MIC79050-4.2BMM from MICREL

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MIC79050-4.2BMM

Manufacturer: MICREL

Simple Lithium-Ion Battery Charger Preliminary Information

Partnumber Manufacturer Quantity Availability
MIC79050-4.2BMM,MIC7905042BMM MICREL 2971 In Stock

Description and Introduction

Simple Lithium-Ion Battery Charger Preliminary Information # **Introducing the MIC79050-4.2BMM: A High-Performance LDO Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive applications. The **MIC79050-4.2BMM** from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable and efficient power in demanding environments.  

Engineered for precision, the MIC79050-4.2BMM provides a fixed **4.2V output** with an ultra-low dropout voltage, making it ideal for battery-powered devices, portable electronics, and embedded systems where power efficiency is paramount. With a **low quiescent current** and excellent line/load regulation, this regulator minimizes power loss while maintaining consistent voltage output, even under fluctuating input conditions.  

Key features of the MIC79050-4.2BMM include:  
- **High Accuracy (±1%)** – Ensures reliable voltage regulation for sensitive circuits.  
- **Ultra-Low Dropout (150mV typical at 150mA)** – Maximizes efficiency in low-voltage applications.  
- **Low Quiescent Current (30µA typical)** – Reduces power consumption in standby modes.  
- **Thermal and Overcurrent Protection** – Enhances durability and safeguards connected components.  
- **Compact SOT-23 Package** – Enables space-saving designs for compact PCBs.  

Whether used in IoT devices, medical instruments, or industrial control systems, the MIC79050-4.2BMM offers a dependable power solution that meets stringent performance requirements. Its robust design and advanced features make it a preferred choice for engineers seeking efficiency, reliability, and precision in power management.  

For applications requiring stable, low-noise voltage regulation with minimal power dissipation, the MIC79050-4.2BMM delivers superior performance in a compact, cost-effective package.

Application Scenarios & Design Considerations

Simple Lithium-Ion Battery Charger Preliminary Information

Alternative Part Number

  • LP2985AIM5-4.2 --: Low-dropout linear regulator in SOT-23-5 with a fixed 4.2V output, functionally similar to the MIC79050-4.2BMM for battery-charger/regulator applications.
  • MAX8510EXK42+ --: 4.2V fixed-output LDO in a small 5-pin package, offering comparable current capability and low dropout for portable designs.
  • AP7315-42SA-7 --: 4.2V fixed LDO regulator in SOT-23-5, a widely available low-cost alternative with similar electrical characteristics.
  • LP2951-4.2 --: Low-dropout linear regulator with a fixed 4.2V output option, similar current capability and function to the original battery-charging LDO.
  • MCP1700-4202E --: Fixed 4.2V low-quiescent-current LDO in a small package, suitable as a functional substitute for low-current 4.2V regulation.
  • LT1962EMS8-4.2 --: Low-noise fixed 4.2V LDO regulator with comparable dropout and current ratings, usable as a higher-performance replacement.

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