Allegro A8586 High Frequency Step-Down Switching Regulator Datasheet

This datasheet details the Allegro MicroSystems A8586, a high-frequency step-down switching regulator with an integrated MOSFET for automotive and…

Brand: Allegro MicroSystems
Category: Power Management
Document type: Datasheet
Language: English
Pages: 20
File format: PDF
File size: 1.2 MB
Published: 26 October, 2026
Updated: 26 October, 2026
MD5 checksum: FC7F92137854EA0A0A30F60173F68F9D
PDF: Allegro A8586 High Frequency Step-Down Switching Regulator Datasheet PDF

About this manual

The A8586 is a high frequency step-down switching regulator featuring an integrated high-side power MOSFET. It provides up to 3.5 A output current and supports a wide input voltage range from 3.8 V to 36 V, making it suitable for automotive environments.

What's inside

Features
Applications
Absolute Maximum Ratings
Selection Guide
Thermal Characteristics
Functional Block Diagram
Terminal List
Electrical Characteristics

Specifications

Input Voltage Range	3.8 V to 36 V
Quiescent Current	30 µA
Integrated MOSFET Resistance	150 mΩ
Switching Frequency	up to 4 MHz
Output Voltage Range	0.8 V to 30 V

Frequently asked questions

Is the A8586 suitable for automotive applications?

Yes, it is designed for use in an automotive input environment and is Automotive AEC-Q100 qualified.

What packages are available for the A8586?

The device is available in 10-pin DFN or 8-pin SOIC packages.

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