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LM7480: Design Question

Francis Jiang
Expert 4140 points

Part Number: LM7480

Hi Team,

Customer used LM7480 and has a question as follows, could you please help take a look? Thanks.

"Is it possible to short-circuit the GND and A pin and supply an additional 12V to Vs as the power supply? Which is shown below."

image.png

BRs,

Francis

  • 0
    TI__Expert 6360 points

    Hello Francis,

    I have some questions:

    1. What is the application?
    2. 12V supply is connected between VS and VBAT. How will you get the output?
    3. LM7480 sense C and A voltages and if C voltage higher than A voltage then DGATE turns off.

    Best Regards,

    Mani.