The other place where I see a lot more linear regulators is inside ICs! Working in Mixed Signal ICs and IP I see a lot of linear regulators. Inductors are hu

The other place where I see a lot more linear regulators is inside ICs! Working in Mixed Signal ICs and IP I see a lot of linear regulators. Inductors are huge and (generally) off chip. If say your SOC has an AMS components, and PINs are a commodity, then you can't use anything but a Charge Pump and LDOs.