Worth mentioning that this is sometimes why you see cascaded or staggered voltage regulators 12V -> 5V -> 3.3V. Not only do you have a source of different voltage levels for different IC's requiring different operating levels, but you also reduce the power dissipated as heat on a single component.
Worth mentioning that this is sometimes why you see cascaded or staggered voltage regulators 12V -> 5V -> 3.3V. Not only do you have a source of different voltage levels for different IC's requiring different operating levels, but you also reduce the power dissipated as heat on a single component.