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TPS54360B-Q1: Sink current thru diode

Hideki Hayashi1
Expert 7330 points
Part Number: TPS54360B-Q1

Hi team,.

Low side is diode in this device. Is it non-synchronous rectification, correct? Does the device sink current from SW pin into GND thru the diode when output capacitance is large?

Best regards,

Hayashi

  • 0
    TI__Guru 64365 points

    Hello

    The small FET you see in the block diagram is only used to recharge the boot capacitor when operating at

    high duty cycles and/or when there is not enough inductor current to recharge the capacitor during normal

    operation.

    The device is non-synchronous and must have a Schottky diode connected between SW and ground for normal

    operation.

    Thanks