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A8603 Datasheet Multiple-Output Regulator

Manufacturer: Allegro MicroSystems

Download the A8603 datasheet PDF. This datasheet also includes the A8606 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A8606-Allegro.pdf) that lists specifications for multiple related part numbers.

General Description

The A8603 is a fixed-frequency, multiple-output supply for LCD bias.

Its switching frequency can be either programmed or synchronized with an external clock signal between 350 kHz and 2.25 MHz.

This will minimize interference with AM and FM radio bands.

Overview

A8603 Multiple-Output Regulator for Automotive LCD Displays.

Key Features

  • Automotive-grade AEC-Q100 qualified.
  • Input voltage from 3 to 10 V.
  • Four individual output supplies.
  • Independent control of each output voltage.
  • Boost switching frequency: 350 kHz to 2.25 MHz.
  • External synchronization capability is available.
  • Frequency dithering to reduce EMI.
  • Less than 10 μA shutdown current.
  • Protection features: overcurrent, overvoltage, short circuit, and thermal overload protection.
  • Ful.

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