• LTC3225 Total Current Consumption

    I am connecting 100K ohm resistor at RPROG to set the charging current to 36mA. The SuperCap output is set to 4V. The LTC3225 is powered from +3.3V supply.  I would like to find out the total input current consumption.  I understand that internally the LTC3225…

  • RE: LTC3225 - Current Consumption

    Hi, thanks. I did find this after I posted, sorry for not recanting my question!

    Gary

  • LTC3225

    hii ' i am planning on using the LTC3225  and i have a question 

    on the typical application there is circuit that uses the LTC3225 with an  LTC4412

    and if i understand right the circuit : as long there is 5v on VIN then Q1 is disconnected and Q2 is connected…

  • What's the biggest Rprog value for LTC3225?

    I'd like to know, please, What's the biggest value that I can connect to PROG pin in LTC3225?

    I need to charge a supercapacitor consuming 2 mA maximum.

    Best Regards,

    Luiz Vieira 

  • Setting a low charging current for LTC3225

    Hi,

    I am using an LTC3225 for my application, which is only allowed to draw a current in the area of below 10 mA. Reading through the datasheet of the LTC3225, I couldn't find any hints for a minimum charging current (or a maximum value for RPROG), so…

  • RE: ADP5092 and CT harvester

    It's better to measure the I/V curve at your nominal operation condition which means under the nominal primary current. 

    If the I/V curve is your nominal operation condition, you will waste a lot of energy by limit the voltage lower than 3.3V. But…

  • RE: DC1589A/LTC4425 Behavior

    Just a quick update, this seems to be significant.

    Once the cap reaches top charge, and just when I see the power supply current drop to 0, I remove the ENABLE jumper and put it to DISABLE. The capacitor voltage then remains stable. I can basically do…

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