It provides all DC to {HEAD ~ DC conversion and power regulation functions} with {TAIL ~ a minimum} of external components 
with
It provides all DC to { HEAD ~ DC conversion and power regulation functions } with { TAIL ~ a minimum } of external components
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH