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LM7310: Passive Components and Pin functions

Hideki Hayashi1
Expert 8110 points
Part Number: LM7310

Hi team,

Customer wants to reduce footprint including passive components. So asking some questions.

What is the main purpose of Cout? reference is 470uF, can customer decrese it when Iout is 1A?

If they don't need some function of LM7310, is the floowing pin condition is correct?

Not use UVLO: resistor btw IN and EN/UVLO is not needed.

Not use OVLO: Resistor btw OVLO and GND is not needed.

Not use PG: leave floating

Not use PGTH: Leave floating

Not use DVDT: leave floating

Not use IMON: Connect IMON pin to GND

Regards,

Hayashi

  • 0
    TI__Guru 72341 points

    Hi Hideki,

    I will check and get back by tomorrow eod.

    Regards 

    Kunal Goel

  • +1 in reply to Kunal Goel
    TI__Guru 72341 points

    Hi Hideki,

    Please see below:

    What is the main purpose of Cout? reference is 470uF, can customer decrese it when Iout is 1A? Yes.

    Customer can choose based on there need. eFuse device does not need COUT to operate. 

    If they don't need some function of LM7310, is the floowing pin condition is correct?

    Not use UVLO: resistor btw IN and EN/UVLO is not needed. If VIN is below 5V then directly connect EN to VIN or through a resistor. 

    Not use OVLO: Resistor btw OVLO and GND is not needed. They should connect OVLO to GND directly or through resistor. 

    Not use PG: leave floating .   Yes

    Not use PGTH: Leave floating.  Yes

    Not use DVDT: leave floating.  Yes

    Not use IMON: Connect IMON pin to GND.  Yes

    Regards

    Kunal Goel