{HEAD ~ Buck boost mode control circuitry} controls the buck boost voltage regulation circuitry using peak current mode control in {TAIL ~ a buck mode} of operation and valley current mode control in boost mode of operation responsive to the monitored input current 
{ HEAD ~ Buck boost mode control circuitry } controls the buck boost voltage regulation circuitry using peak current mode control in { TAIL ~ a buck mode } of operation and valley current mode control in boost mode of operation responsive to the monitored input current
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