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Two PTH08080W in the same PCB sharing input (but not output)

Alex Arango
Prodigy 240 points
Other Parts Discussed in Thread: PTH08080W

Is there any reason not to put two PTH08080W on the same pcb sharing the same input voltage (but not the output) ?

  • 0
    TI__Mastermind 38230 points

    The PTH08080W must not share the inhibit  pin or Vout Bus .

    Each PTH08080W , inhibit pin , must have their separate open drain control FET. The inhibit pin must not be pulled up externally to Vin or any other  voltage. The PTH08080W has its own internal pull-up to about 1.5V.

    The PTH08080W is not parallelable for increased output current . This operation will overstress the module.

    Tom