https://www.electronicdesign.com/technologies/power/power-supply/regulators/article/21194933/monolithic-ic-yields-four-1a-buck-regulators
In a single QFN package, four independent buck regulators can accept up to a 40V input and each can provide up to 1A output with 100% duty cycle operation.
monolithic icelectronic designyieldsfourbuck