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TPS65251's operation question

Lee Joung Ho
Prodigy 170 points
Other Parts Discussed in Thread: TPS65251

dear Sir...

we had question to TPS65251's operation condition.

if we did disconnect the 1 Vin line,

it can good operation about remain 2 output...

  • 0
    TI__Mastermind 41800 points

    Lee,

    The VIN pin is the input supply and it provides the power to operate the IC. There must be power provided to this pin (4.5V-18V).

    Converters 1, 2, 3 are individually powered through VIN1, VIN2, and VIN3.

    If there is no power being provided to VIN1, and there is power being provided to VIN2 and VIN3, the output voltage from converter 2 and converter 3 should be operating correctly based on your external component design.