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Home/bleeder

volt.tech Latest Questions

vikas Nagpal
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vikas Nagpal
Asked: March 23, 2023In: Power Management

How TDA3860/740 devices work without a bleeder resistor?

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Hii Team, Do Digital POL devices like TDA3860/ 740 devices work without a bleeder resistor on the output without affecting the operating system? Thank you for your help. Regards, Vikas

Hii Team,

Do Digital POL devices like TDA3860/ 740 devices work without a bleeder resistor on the output without affecting the operating system?

Thank you for your help.

Regards,

Vikas

Read less
bleederdevicesInfineonpowerresistortda3860
  1. ashishgawade
    Added an answer on March 24, 2023 at 9:55 am

    Hello@vikas, It's always recommended to use a bleeder of 100 ohms. Vout of the part has an offset of around 250mV due to a leakage in no-load condition. The 100-ohm bleeder will pull it down. If there's no issue with 250mV offset the part can be used without bleeder also. If there's a concern with eRead more

    Hellovikas Nagpal,

    It’s always recommended to use a bleeder of 100 ohms.

    Vout of the part has an offset of around 250mV due to a leakage in no-load condition.

    The 100-ohm bleeder will pull it down.

    If there’s no issue with 250mV offset the part can be used without bleeder also.

    If there’s a concern with effectiveness while using a 100-ohm bleeder also a 500-ohm bleeder can be used. 500-ohm bleeder will have an offset of 65mV.

    Regards,

    Ashish Gawade

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