米6体育平台手机版

SPRUII7B June 2018 – April 2020 TMS320F280040-Q1 , TMS320F280040C-Q1 , TMS320F280041 , TMS320F280041-Q1 , TMS320F280041C , TMS320F280041C-Q1 , TMS320F280045 , TMS320F280048-Q1 , TMS320F280048C-Q1 , TMS320F280049 , TMS320F280049-Q1 , TMS320F280049C , TMS320F280049C-Q1

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2.1.9.4 5 V Step-up Converter

JP9 isolates the output of the LMR2421 Simple Switcher step-up voltage regulator(U3) from the 5 V power domain of the LaunchPad. This voltage regulator can step up 3.3 V to 5 V if no other 5 V supply is connected. Do not place a shunt on J9 unless JP3 is open and no other 5 V supply is connected to the LaunchPad.