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LM73606: LM73606 for output negative capability check

Part Number: LM73606
Other Parts Discussed in Thread: LMR33640

Hi Sir,

May I know LM73606 can support 12V convert to negative 5V capability? if yes, please help us to provide reference schematic, thanks! 

  • Hi Kuo,

    Yes the part can support the conversion from 12V to negative 5V, but the current will be lower than 6A because it is now in the inverting buck boost topology. 

    We do not have a specific reference schematic but you can follow the guidelines in this app note. 

    In the app note there is an example using LMR33640 and the idea still the same whether using the LMR33640 or LM73606. 

    The difference is the current capability for the -5V rail

    Alternatively we have a PSPICE model that you can use with PSPICE for TI program

    Thanks 

    -Arief