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Multi-Output Voltage Regulator IC for Automotive Infotainment Applications

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The new A8601 from Allegro MicroSystems Europe is a fixed-frequency, multiple-output voltage regulator IC designed to provide the LCD display bias in automotive infotainment applications.

The A8601, which is Automotive Grade AEC Q-100 qualified, produces five regulated outputs from one low-voltage supply. It offers a robust solution in automotive applications and uses fewer components than existing solutions, while providing higher efficiency power conversion.
The switching frequency of the A8601 can be either programmed or synchronised with an external clock signal between 350kHz and 2.25MHz to minimise interference with AM and FM radio bands.
The five output voltages are provided from three linear regulators and two charge-pump regulators. Each output voltage can be adjusted independently. During power-up and shutdown, the outputs are turned on and off in preprogrammed sequences to meet sequencing requirements of LCD panels while simplifying design.
The device is extremely robust under fault conditions.
www.allegromicro.com

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