Allegro MicroSystems

A81805KESJSR-1  

DC Switching Voltage Regulators

A81805KESJSR-1 Description

The A81805KESJSR-1 is a high-performance DC switching voltage regulator designed by Allegro MicroSystems, a leading provider of advanced semiconductor solutions. This regulator is specifically engineered to deliver a fixed 5V output with a maximum output current of 2.5A, making it ideal for a wide range of applications requiring stable and efficient power management. The regulator operates within an input voltage range of 3.5V to 36V, ensuring compatibility with various power sources.

A81805KESJSR-1 Features

• Output Type: Fixed 5V output voltage, providing a stable power supply for sensitive electronics.
• Wide Input Voltage Range: Operates from 3.5V to 36V, accommodating diverse input conditions.
• High Output Current: Delivers up to 2.5A, suitable for demanding applications.
• Positive Output Configuration: Ensures compatibility with standard electronic circuits.
• Synchronous Rectification: Enhances efficiency and reduces power loss, making it ideal for high-current applications.
• Switching Frequency Range: 400kHz to 2.5MHz, allowing for flexible design options and reduced component size.
• Surface Mount, Wettable Flank: Ideal for automated assembly processes and high-density PCB layouts.
• Compliance and Reliability: REACH Unaffected and RoHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), providing robustness against moisture-related issues during manufacturing.
• Packaging: Tape & Reel (TR), facilitating efficient handling and storage.
• Topology: Buck converter design, offering high efficiency and compact size.
• Single Output: Simplifies design and reduces complexity.

A81805KESJSR-1 Applications

The A81805KESJSR-1 is well-suited for a variety of applications where efficient power conversion and stable voltage regulation are critical. Key applications include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for powering sensors, controllers, and other electronic components in industrial settings.
• Automotive Electronics: Provides reliable power for infotainment systems, electronic control units, and other automotive applications.
• Telecommunications: Efficiently powers routers, switches, and other networking equipment.
• Medical Devices: Ensures stable power supply for critical medical equipment, enhancing reliability and performance.

Conclusion of A81805KESJSR-1

The A81805KESJSR-1 from Allegro MicroSystems stands out as a robust and efficient DC switching voltage regulator. Its wide input voltage range, high output current capability, and fixed 5V output make it a versatile solution for a broad spectrum of applications. The inclusion of synchronous rectification and a wide switching frequency range further enhances its efficiency and flexibility. With its compliance to environmental and regulatory standards, the A81805KESJSR-1 ensures reliability and sustainability in modern electronic designs. Whether powering consumer devices, industrial equipment, or automotive electronics, the A81805KESJSR-1 delivers exceptional performance and reliability, making it a top choice for engineers and designers in the electronics industry.

A81805KESJSR-1 Documents

Download datasheets and manufacturer documentation for A81805KESJSR-1

Datasheets :

A81805(-1) Datasheet      

PCN Packaging :

Tape Change 27/Jan/2023