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Original question:

LM5116: clarify my circuit using the LM5116MH buck converter

LM5116: clarify buck boost function

Kesavan S
Prodigy 31 points
Part Number: LM5116
Other Parts Discussed in Thread: LM5118,

Tool/software:

LM5116 not support a boost function so now im using LM5118 buck - boost converter same design only changing IC it will work or not ? and also im checking pin outs that  LM5116 & LM5118 are same. i attached my design 

  • 0
    TI__Guru 58521 points

    Hi Kesavan,

    the power stage for the Buck and a Boost are different - just changing the controller does  not work.

    If you compare the block diagrams shown in both datasheet - you will see immediately.

    Note: the design is not attached.

    Best regards,

     Stefan