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SN6505B-Q1: Design Scheme

Jade Lan
Intellectual 1110 points

Part Number: SN6505B-Q1
Other Parts Discussed in Thread: SN6505B

Hi team,

Does SN6505B-Q1 support design with VIN=5V and VOUT=3.3V? If so, could you provide design solutions?

BR,

Jade Lan

  • 0
    TI__Expert 4250 points

    Hi Jade,

    SN6505B-Q1 does support Vin = 5V and Vout = 3.3V. I have listed them down in the table. You can find the same details in the datasheet.

    Recommended Isolation Transformers Optimized for the Device

    Turns Ratio

    V x T (Vus)

    Application

    Order No.

    Manufacturer

    With LDO

    1.23:1 ±2%

    11

    5 V → 3.3 V, 100mA, SN6505B/D-Q1

    750313710

    Wurth Electronics / Midcom

    Yes

    1.3:1 ±2%

    10.8

    5 V → 3.3 V, 1A, SN6505B/D-Q1

    750316030

    Wurth Electronics / Midcom

    No

    1.3:1 ±2%

    11

    5 V → 3.3 V, 100mA , SN6505B/D-Q1

    750313638

    Wurth Electronics / Midcom

    No

     

    You can refer to the Sn6505x EVM (https://www.ti.com/tool/SN6505BEVM) and Detailed Design Procedure in the Datasheet.

    Thanks,

    Prateek Verma