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TPS61230: Design question

Jamie Tseng
Intellectual 2405 points
Part Number: TPS61230

Hi team,

Input: 5V+-10%，Output: 5.5V/1.8A

  1. Inductance L1 Recommended Inductance Value?
  2. Is there a limit to the input Voltage and Output Voltage to how much difference of pressure does it not operate?
  3. Does the Input voltage bypass directly to the Output voltage when the Input voltage is equal to the Output voltage? Output current capability at this point?

Thanks!

BRs,

Jamie

  • 0
    TI__Expert 8575 points

    Hi Jamie,

    1.Usually 1uH is suitable for most cases unless more requirement is needed.

    2.Vin & Vout shouldn't exceed 5.5V. The device may not shut down when Vin exceed 5.5V, but the reliability will be affected. When Vout exceed the maximum value, the device will shut down at its OVP level of  6V typical(5.7V min).

    3.The device cannot enter passthrough when the Input voltage is equal to the Output voltage. Please view datasheet page 11 for further information.

    BR,

    Travis