Microchip Technology

MIC37139-1.8BS  

Linear & Switching Voltage Regulators

MIC37139-1.8BS Description

The MIC37139-1.8BS is a linear voltage regulator designed by Microchip Technology, offering a fixed output voltage of 1.8V and a maximum output current of 1.5A. This regulator is housed in a compact SOT223-3 package, making it suitable for surface-mount applications. It features a maximum input voltage of 6V and a low dropout voltage of 0.5V at full load, ensuring efficient operation even under low input-to-output voltage differentials.

MIC37139-1.8BS Features

• Fixed Output Voltage: The MIC37139-1.8BS provides a stable 1.8V output, ideal for applications requiring a precise and consistent power supply.
• High Output Current: With a maximum output current of 1.5A, this regulator can support demanding applications that require significant power.
• Low Dropout Voltage: The maximum dropout voltage of 0.5V at 1.5A ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Protection Features: The regulator includes over-current, over-temperature, and reverse polarity protection, enhancing reliability and safeguarding against common power supply issues.
• Moisture Sensitivity Level: Rated at MSL 3 (168 hours), the MIC37139-1.8BS is suitable for environments with moderate humidity levels.
• Compliance: The regulator is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.
• Packaging: Available in bulk packaging, the MIC37139-1.8BS is suitable for high-volume production and inventory management.

MIC37139-1.8BS Applications

The MIC37139-1.8BS is ideal for a variety of applications where a stable and efficient power supply is required. Its fixed 1.8V output and high current capability make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles that require a stable 1.8V supply.
• Embedded Systems: Providing reliable power to microcontrollers, sensors, and other low-voltage components in embedded systems.
• Industrial Equipment: Ensuring stable operation of control systems and instrumentation that require precise voltage regulation.
• Telecommunications: Supplying power to base stations and other telecom equipment that demand high reliability and efficiency.

Conclusion of MIC37139-1.8BS

The MIC37139-1.8BS is a robust and efficient linear voltage regulator designed for applications requiring a stable 1.8V supply and up to 1.5A of current. Its low dropout voltage and comprehensive protection features make it a reliable choice for a wide range of electronic devices. Despite being marked as obsolete, the MIC37139-1.8BS remains a viable option for existing designs and legacy systems. Its compact SOT223-3 package and surface-mount configuration ensure ease of integration into modern PCB designs. For engineers and designers seeking a dependable power solution, the MIC37139-1.8BS offers a proven and effective option.

MIC37139-1.8BS Documents

Download datasheets and manufacturer documentation for MIC37139-1.8BS

Datasheets :

MIC37139      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018      

Design Resources :

MIC37139 Development Tool Selector      

HTML Datasheet :

MIC37139      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH