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A8600 Datasheet Quadruple Output Regulator

Manufacturer: Allegro MicroSystems

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General Description

Designed to provide the power supply requirements of next generation car audio and infotainment systems, the A8600 provides all the control and protection circuitry to produce four high current regulators, each with ±1.5% accuracy.

The A8600 includes control circuitry to implement three adjustable, asynchronous buck regulators with integrated MOSFETs.

Also, the A8600 provides the control circuitry, gate drivers, and current sensing to implement a synchronous buck controller with external MOSFETs.

Overview

A8600 Quadruple Output Regulator with Two High-Side Switches, BU/ACC Voltage Detectors, and Mute.

Key Features

  • Four independent, high current switching regulators.
  • Adjustable 1.0 A/±1.5% always-on asynchronous buck regulator with an integrated 150 mΩ MOSFET (SW1) ▫ Employs PFM to deliver 3.3 V/40 µA while drawing less than 50 µA from VIN of 12 V ▫ Operates down to at least 3.6 VIN.
  • Adjustable 1.5 A/±1.5% asynchronous buck regulator with an integrated 120 mΩ high-side MOSFET (SW2).
  • Adjustable 2.0 A/±1.5% asynchronous buck regulator with an integrated 110 mΩ MOSFET (SW3.

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