Allegro MicroSystems

ARG81801KESJSR

ARG81801KESJSR Description

The ARG81801KESJSR is a high-performance DC switching voltage regulator designed by Allegro MicroSystems. This regulator is part of the ARG818 family and is specifically tailored for demanding applications requiring precise voltage regulation. It features an adjustable output type, allowing it to deliver a wide range of output voltages from 0.8V to 28V. The regulator operates efficiently within an input voltage range of 4V to 35V, making it suitable for various power supply configurations. With a maximum output current of 3A, the ARG81801KESJSR is capable of handling substantial loads while maintaining stability and efficiency.

The regulator employs a buck topology, which is renowned for its high efficiency and compact design. This topology enables the ARG81801KESJSR to achieve high conversion efficiencies, particularly in applications where space is limited. The switching frequency of the regulator can be adjusted between 250kHz and 2.4MHz, providing flexibility in optimizing the trade-off between efficiency and electromagnetic interference (EMI).

ARG81801KESJSR Features

• Adjustable Output Voltage: The regulator offers an adjustable output voltage range from 0.8V to 28V, providing flexibility to meet diverse application requirements.
• Wide Input Voltage Range: With an input voltage range of 4V to 35V, the ARG81801KESJSR is versatile and can be used in a variety of power supply configurations.
• High Output Current: Capable of delivering up to 3A of output current, this regulator is suitable for applications requiring high power delivery.
• Efficient Buck Topology: Utilizing a buck topology, the regulator achieves high efficiency and compact design, ideal for space-constrained applications.
• Flexible Switching Frequency: The switching frequency can be adjusted between 250kHz and 2.4MHz, allowing for optimization of efficiency and EMI.
• Surface Mount Packaging: Available in a 24QFN package, the regulator is designed for surface mount applications, facilitating easy integration into modern PCB designs.
• Compliance and Reliability: The ARG81801KESJSR is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It also features a moisture sensitivity level (MSL) of 2 (1 Year), enhancing reliability in various environmental conditions.

ARG81801KESJSR Applications

The ARG81801KESJSR is ideal for a wide range of applications where precise voltage regulation and high efficiency are critical. Some specific use cases include:

• Power Supplies: Suitable for designing efficient power supplies in consumer electronics, industrial equipment, and automotive applications.
• Embedded Systems: Ideal for embedded systems requiring reliable power management and high efficiency.
  -Telecommunications: Can be used in telecom infrastructure for stable power delivery to critical components.
• Automotive Electronics: Suitable for automotive applications where space constraints and high reliability are essential.
• Industrial Control: Ideal for industrial control systems requiring precise voltage regulation and high power delivery.

Conclusion of ARG81801KESJSR

The ARG81801KESJSR stands out as a versatile and efficient DC switching voltage regulator, offering a wide range of technical specifications and performance benefits. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a variety of applications. The flexible switching frequency and efficient buck topology further enhance its performance, making an it excellent choice for modern power management solutions. With its compliance to environmental and regulatory standards, the ARG81801KESJSR ensures reliability and ease of integration into various systems.