Variable Voltage boost support for LT1082

Hi, 

We are looking for a booster supply from 12V/24V to 60V-90V (variable) output.

We found LT1082 in the site.

Couple of queries regarding this regulator:

1. Does this support the variable range output (controlled by the feedback resistors) ?

2. Does this support maximum of 120mA or it can be varied according to the requirement by any means?

Can anyone please help me with the answer.

Thanks & Regards,

Nanjunda M

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  • 0
    •  Analog Employees 
    on Jul 9, 2019 7:33 AM

    Hi

    Question 1. Yes, Vout = 1.24V(1+Rtop/Rbot)

    Question 2. For Vout of 90 and Vin of 15V, Yes 120mA is the maximum Iout since the switch current limit is almost reached at this condition 

    If you need to have  large output current on your application I would suggest using a controller such as LTC1871X ,LTC3897 or LTC3777 to not be limited buy the internal switch current limit

    Regards,

Reply
  • 0
    •  Analog Employees 
    on Jul 9, 2019 7:33 AM

    Hi

    Question 1. Yes, Vout = 1.24V(1+Rtop/Rbot)

    Question 2. For Vout of 90 and Vin of 15V, Yes 120mA is the maximum Iout since the switch current limit is almost reached at this condition 

    If you need to have  large output current on your application I would suggest using a controller such as LTC1871X ,LTC3897 or LTC3777 to not be limited buy the internal switch current limit

    Regards,

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