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LM76005: Does LM76005 support the input current 5A?

Gust Zhang
Expert 5811 points
Part Number: LM76005
Other Parts Discussed in Thread: LM61495, LM61480, LM25149

Hi Team,

Does LM76005 support 5A input current?

Best Regards,

Gust

  • 0
    TI__Guru 50120 points

    Hi Gust,

    I would suggest picking a higher current rated device is you want to operate at 5A input current.

    The is not capable of 100% duty cycle so the input current will always be lower than the maximum rated 5A current limit of the device.

    Perhaps the LM61480 or LM61495 might be more applicable for your design requirements.

    Regards,

    Jimmy 

  • 0 in reply to Jimmy Hua
    TI__Expert 5811 points

    Hi Jimmy,

    Thanks for your reply. I want to find a suitable DCDC that the input is 48V/5A and output is 24V/4A. Do you have any recommendation?

    Regards,

    Gust

  • 0 in reply to Gust Zhang
    TI__Guru 50120 points

    Hi,

    Can you help me understand your application more on why the input current must be 5A? 

    Normally the input current for a buck converter is lower than the output current.

    Currently there is nothing in the converter portfolio to satisfy your application so I'd suggest look at controllers such as the LM25149 which was recently released.

    Regards,

    Jimmy