I'm trying to design a low-noise power supply for small-signal audio (+/-12-15V, ~1A). As part of this, I'm investigating advanced SMPS topologies like the SEPIC and Ćuk converters. Few controller/converter ICs mention support for these topologies in their datasheets, and the ones that do (such as the LM5001) seem to support a more common topology as well, usually boost. I also found an EE Times article on how to design a negative buck converter using a boost converter IC, and an app note that implements a buck-boost converter using a buck converter IC. What I have not found is a general list of which topologies are supported by each type of controller/converter. Thus, I have two questions:
Can all converter ICs be used to implement multiple topologies?
If so, which topologies are supported by each type of basic converter IC (buck, boost, etc.)?